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10PCS TXS0108E 8 Channel Level Conversion Module High Speed Full Duplex 8 Way Bi-Directional Converter for Arduino 10PCS TXS0108E 8 Channel Level Conversion Module High Speed Full Duplex 8 Way Bi-Directional Converter for Arduino

10PCS TXS0108E 8 Channel Level Conversion Module High Speed Full Duplex 8 Way Bi-Directional Converter for Arduino

$6.54$6.54

25% off
, 1,000Ft Range Loud Enough with 5 Volume Levels and Mute Mode Door LED Flashing US Plug , 1,000Ft Range Loud Enough with 5 Volume Levels and Mute Mode Door LED Flashing US Plug

, 1,000Ft Range Loud Enough with 5 Volume Levels and Mute Mode Door LED Flashing US Plug

$13.30$17.74

5% off
Outdoor Waterproof 125KHZ RFHID Card Reader, Wiegand 26-37 Adaptive Format Output, RS485, RS232, TTL Level Communication Outdoor Waterproof 125KHZ RFHID Card Reader, Wiegand 26-37 Adaptive Format Output, RS485, RS232, TTL Level Communication

Outdoor Waterproof 125KHZ RFHID Card Reader, Wiegand 26-37 Adaptive Format Output, RS485, RS232, TTL Level Communication

$21.90$23.05

2 sold
43% off
Battery Tester Battery Level Tester LCD BT-886 BATTERY TESTER Access Control Accessories Battery Tester Battery Level Tester LCD BT-886 BATTERY TESTER Access Control Accessories

Battery Tester Battery Level Tester LCD BT-886 BATTERY TESTER Access Control Accessories

$5.89$10.33

6 sold
5% off
13.56MHz IC Proximity RF Card Reader, Wiegand RS232 RS485 TTL Level Format, Non-contact Waterproof Access Card Reader 13.56MHz IC Proximity RF Card Reader, Wiegand RS232 RS485 TTL Level Format, Non-contact Waterproof Access Card Reader

13.56MHz IC Proximity RF Card Reader, Wiegand RS232 RS485 TTL Level Format, Non-contact Waterproof Access Card Reader

$126.46$133.12

1 sold
5% off
DC12V Waterproof Rfid Card Reader 5V read head customization With RS485 RS232 TTL Level Communication Access control Card Reader DC12V Waterproof Rfid Card Reader 5V read head customization With RS485 RS232 TTL Level Communication Access control Card Reader

DC12V Waterproof Rfid Card Reader 5V read head customization With RS485 RS232 TTL Level Communication Access control Card Reader

$15.13$15.93

13 sold
37% off
Plastic Shims for Leveling - 36 Piece Jar, Strong and Durable Table Wedges, DIY Levelers for Furniture, Table, Chair Plastic Shims for Leveling - 36 Piece Jar, Strong and Durable Table Wedges, DIY Levelers for Furniture, Table, Chair

Plastic Shims for Leveling - 36 Piece Jar, Strong and Durable Table Wedges, DIY Levelers for Furniture, Table, Chair

$9.91$15.73

2% off
waterproof design DC 12V 13.56Mhz swipe card reader, RS232, RS485, TTL level communication or 125Khz ID rf card reader waterproof design DC 12V 13.56Mhz swipe card reader, RS232, RS485, TTL level communication or 125Khz ID rf card reader

waterproof design DC 12V 13.56Mhz swipe card reader, RS232, RS485, TTL level communication or 125Khz ID rf card reader

$28.42$29.00

5% off
Outdoor Waterproof, RS485, RS232, TTL Level Format Optional, DC 5V/9~16V/24V RF Card Reader, Support 13.56MHZ/125KHZ Card Swipin Outdoor Waterproof, RS485, RS232, TTL Level Format Optional, DC 5V/9~16V/24V RF Card Reader, Support 13.56MHZ/125KHZ Card Swipin

Outdoor Waterproof, RS485, RS232, TTL Level Format Optional, DC 5V/9~16V/24V RF Card Reader, Support 13.56MHZ/125KHZ Card Swipin

$18.71$19.70

2 sold
30% off
12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino access control 12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino access control

12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino access control

$1.15$1.65

5% off
12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino 12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

$1.71$1.80

8% off
KOOJN Wall Tiling 90 Degree Tiling Tool Tiling Level Laser Angle Line Instrument Tiling Right Angle Ground Wire Instrument KOOJN Wall Tiling 90 Degree Tiling Tool Tiling Level Laser Angle Line Instrument Tiling Right Angle Ground Wire Instrument

KOOJN Wall Tiling 90 Degree Tiling Tool Tiling Level Laser Angle Line Instrument Tiling Right Angle Ground Wire Instrument

$4.56$4.96

1 sold
21% off
Home Wireless Doorbell 433Mhz Smart Doorbell 200 Meters Long Distance 35 Song 4 Level Volume Door Chime Security Alarm Door Bell Home Wireless Doorbell 433Mhz Smart Doorbell 200 Meters Long Distance 35 Song 4 Level Volume Door Chime Security Alarm Door Bell

Home Wireless Doorbell 433Mhz Smart Doorbell 200 Meters Long Distance 35 Song 4 Level Volume Door Chime Security Alarm Door Bell

$14.61$18.50

1 sold
5% off
125khz, 13.56mhz Ultra-thin Metal Password/Swipe RF Card Reader, RS485, RS232, TTL Level Interface Card Reader 125khz, 13.56mhz Ultra-thin Metal Password/Swipe RF Card Reader, RS485, RS232, TTL Level Interface Card Reader

125khz, 13.56mhz Ultra-thin Metal Password/Swipe RF Card Reader, RS485, RS232, TTL Level Interface Card Reader

$27.53$28.98

1 sold
8% off
ACR39-I1 600Kbps USB Full Speed Contact Reader Writer Support EMV 2000 Level 1 and PBOC With 2pcs SLE4442 card +sdk kit ACR39-I1 600Kbps USB Full Speed Contact Reader Writer Support EMV 2000 Level 1 and PBOC With 2pcs SLE4442 card +sdk kit

ACR39-I1 600Kbps USB Full Speed Contact Reader Writer Support EMV 2000 Level 1 and PBOC With 2pcs SLE4442 card +sdk kit

$25.76$28.00

8% off
12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay board 12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay board

12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay board

$2.30$2.50

5% off
Multi-Level Authorization Relay Switch Gsm Gate Opener Automatic Gate Opener For Garage Swing Sliding Doors G202 Plus G203 Multi-Level Authorization Relay Switch Gsm Gate Opener Automatic Gate Opener For Garage Swing Sliding Doors G202 Plus G203

Multi-Level Authorization Relay Switch Gsm Gate Opener Automatic Gate Opener For Garage Swing Sliding Doors G202 Plus G203

$12.35$13.00

4 sold
47% off
10Pcs 3D Printer Pin for BLTouch Push-Pin Bed Leveling Sensor Probe with Replacement Needle 10Pcs 3D Printer Pin for BLTouch Push-Pin Bed Leveling Sensor Probe with Replacement Needle

10Pcs 3D Printer Pin for BLTouch Push-Pin Bed Leveling Sensor Probe with Replacement Needle

$3.11$5.87

5% off
RFHID Access Control Card Reader Module 125KHZ Embedded RF Card Reader Module Wiegand 26~37/TTL Level/RS232 Communication Format RFHID Access Control Card Reader Module 125KHZ Embedded RF Card Reader Module Wiegand 26~37/TTL Level/RS232 Communication Format

RFHID Access Control Card Reader Module 125KHZ Embedded RF Card Reader Module Wiegand 26~37/TTL Level/RS232 Communication Format

$13.77$14.50

1 sold
Designer multi level cat tree house wooden large cat tree house Designer multi level cat tree house wooden large cat tree house

Designer multi level cat tree house wooden large cat tree house

$1843.24$1843.24

54% off
LM3915 Audio Level Indicator Diy Kit 10 Led Sound Audio Spectrum Analyzer Level Indicator Kit Electoronics Soldering LM3915 Audio Level Indicator Diy Kit 10 Led Sound Audio Spectrum Analyzer Level Indicator Kit Electoronics Soldering

LM3915 Audio Level Indicator Diy Kit 10 Led Sound Audio Spectrum Analyzer Level Indicator Kit Electoronics Soldering

$1.70$3.69

RFID/IC Card Serial Reader COM Port RS232 M1 Card Reader TTL Level NFC Card Reader Linuxss RFID/IC Card Serial Reader COM Port RS232 M1 Card Reader TTL Level NFC Card Reader Linuxss

RFID/IC Card Serial Reader COM Port RS232 M1 Card Reader TTL Level NFC Card Reader Linuxss

$9.99$9.99

10% off
RFhid card sensor card reader, Waterproof RFHID Card Reader,125Khz Wiegand 26~37, RS485, RS232, TTL Level Communication RFhid card sensor card reader, Waterproof RFHID Card Reader,125Khz Wiegand 26~37, RS485, RS232, TTL Level Communication

RFhid card sensor card reader, Waterproof RFHID Card Reader,125Khz Wiegand 26~37, RS485, RS232, TTL Level Communication

$184.32$204.80

4 sold
Original Baofeng intercom UV-9R/15W remote calling/10 level waterproof portable radio/dual band/hunting/exploration/engineering Original Baofeng intercom UV-9R/15W remote calling/10 level waterproof portable radio/dual band/hunting/exploration/engineering

Original Baofeng intercom UV-9R/15W remote calling/10 level waterproof portable radio/dual band/hunting/exploration/engineering

$188.80$188.80

1 sold
40% off
RISK 4Pcs Brake Lever Piston Rubber Ring for SRAM Guide R RE RSC DB5 Level T TL Series Bike Parts RISK 4Pcs Brake Lever Piston Rubber Ring for SRAM Guide R RE RSC DB5 Level T TL Series Bike Parts

RISK 4Pcs Brake Lever Piston Rubber Ring for SRAM Guide R RE RSC DB5 Level T TL Series Bike Parts

$3.11$5.18

20% off
Waterproof rfhid access control card reader, Wiegand 26~37, RS485, rs232, ttl level communication card reader small RFHID swipe Waterproof rfhid access control card reader, Wiegand 26~37, RS485, rs232, ttl level communication card reader small RFHID swipe

Waterproof rfhid access control card reader, Wiegand 26~37, RS485, rs232, ttl level communication card reader small RFHID swipe

$17.20$21.50

4 sold
20% off
RFHid card induction card swiping machine, Waterproof RF Card Reader, Wiegand 26-37, RS485, RS232, TTL Level Fromat Interface RFHid card induction card swiping machine, Waterproof RF Card Reader, Wiegand 26-37, RS485, RS232, TTL Level Fromat Interface

RFHid card induction card swiping machine, Waterproof RF Card Reader, Wiegand 26-37, RS485, RS232, TTL Level Fromat Interface

$163.84$204.80

2 sold
25% off
Transmitter and Receive with 45 Melodies 4 Adjustable Volume Levels, Waterproof for Office US Plug Transmitter and Receive with 45 Melodies 4 Adjustable Volume Levels, Waterproof for Office US Plug

Transmitter and Receive with 45 Melodies 4 Adjustable Volume Levels, Waterproof for Office US Plug

$14.48$19.31

1 sold
5% off
125Khz EMID Proximity Access Card Reader Waterproof Design Wiegand RS232 RS485 TTL Level Format 13.56 Mhz NFC RF Card Reader 125Khz EMID Proximity Access Card Reader Waterproof Design Wiegand RS232 RS485 TTL Level Format 13.56 Mhz NFC RF Card Reader

125Khz EMID Proximity Access Card Reader Waterproof Design Wiegand RS232 RS485 TTL Level Format 13.56 Mhz NFC RF Card Reader

$107.01$112.64

9 sold
Tripod Head,Laser Levels Plate, Plastic Adapter Fittings, Arm Bracket Tripod Head,Laser Levels Plate, Plastic Adapter Fittings, Arm Bracket

Tripod Head,Laser Levels Plate, Plastic Adapter Fittings, Arm Bracket

$4.19$4.19

37% off
Liquid Water Level Stainless Steel Right Angle Floating Switch for Aquarium Liquid Water Level Stainless Steel Right Angle Floating Switch for Aquarium

Liquid Water Level Stainless Steel Right Angle Floating Switch for Aquarium

$3.64$5.78

5% off
RFID 125KHZ Low Frequency RFHID RS232 Read card device, WG 26~37, RS485, RS232, TTL Level Communication RFID 125KHZ Low Frequency RFHID RS232 Read card device, WG 26~37, RS485, RS232, TTL Level Communication

RFID 125KHZ Low Frequency RFHID RS232 Read card device, WG 26~37, RS485, RS232, TTL Level Communication

$22.29$23.46

18 sold
5% off
GROW KR501 High Level Output DC3.3-10V Fingerprint Control Board With Fingerprint Module For Access Control System GROW KR501 High Level Output DC3.3-10V Fingerprint Control Board With Fingerprint Module For Access Control System

GROW KR501 High Level Output DC3.3-10V Fingerprint Control Board With Fingerprint Module For Access Control System

$7.22$7.60

5 sold
5% off
12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for A 12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for A

12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for A

$1.90$2.00

5% off
Waterproof and Dustproof, 125khz/13.56mhz Frequency, RF Card Reader with RS232, RS485, TTL Level Format, 24V Working Voltage Can Waterproof and Dustproof, 125khz/13.56mhz Frequency, RF Card Reader with RS232, RS485, TTL Level Format, 24V Working Voltage Can

Waterproof and Dustproof, 125khz/13.56mhz Frequency, RF Card Reader with RS232, RS485, TTL Level Format, 24V Working Voltage Can

$17.52$18.44

54% off
Camera Pan Base With Arca Swiss Style Plate, 0.95Cm Screw Aluminum Panoramic Ball Tripod Head With Bubble Level, Load Capacity 2 Camera Pan Base With Arca Swiss Style Plate, 0.95Cm Screw Aluminum Panoramic Ball Tripod Head With Bubble Level, Load Capacity 2

Camera Pan Base With Arca Swiss Style Plate, 0.95Cm Screw Aluminum Panoramic Ball Tripod Head With Bubble Level, Load Capacity 2

$11.90$25.86

10PCS TXS0108E 8 Channel Level Conversion Module High Speed Full Duplex 8 Way Bi-Directional Converter for Arduino 10PCS TXS0108E 8 Channel Level Conversion Module High Speed Full Duplex 8 Way Bi-Directional Converter for Arduino

10PCS TXS0108E 8 Channel Level Conversion Module High Speed Full Duplex 8 Way Bi-Directional Converter for Arduino

$6.54 $6.54

Categories: Security & Protection, Access Control

Buy Now
25% off
, 1,000Ft Range Loud Enough with 5 Volume Levels and Mute Mode Door LED Flashing US Plug , 1,000Ft Range Loud Enough with 5 Volume Levels and Mute Mode Door LED Flashing US Plug

, 1,000Ft Range Loud Enough with 5 Volume Levels and Mute Mode Door LED Flashing US Plug

$13.30 $17.74

Categories: Security & Protection, Access Control

Buy Now
5% off
Outdoor Waterproof 125KHZ RFHID Card Reader, Wiegand 26-37 Adaptive Format Output, RS485, RS232, TTL Level Communication Outdoor Waterproof 125KHZ RFHID Card Reader, Wiegand 26-37 Adaptive Format Output, RS485, RS232, TTL Level Communication

Outdoor Waterproof 125KHZ RFHID Card Reader, Wiegand 26-37 Adaptive Format Output, RS485, RS232, TTL Level Communication

$21.90 $23.05

2 sold

Categories: Security & Protection, Access Control

Buy Now
43% off
Battery Tester Battery Level Tester LCD BT-886 BATTERY TESTER Access Control Accessories Battery Tester Battery Level Tester LCD BT-886 BATTERY TESTER Access Control Accessories

Battery Tester Battery Level Tester LCD BT-886 BATTERY TESTER Access Control Accessories

$5.89 $10.33

6 sold

Categories: Security & Protection, Access Control

Buy Now
5% off
13.56MHz IC Proximity RF Card Reader, Wiegand RS232 RS485 TTL Level Format, Non-contact Waterproof Access Card Reader 13.56MHz IC Proximity RF Card Reader, Wiegand RS232 RS485 TTL Level Format, Non-contact Waterproof Access Card Reader

13.56MHz IC Proximity RF Card Reader, Wiegand RS232 RS485 TTL Level Format, Non-contact Waterproof Access Card Reader

$126.46 $133.12

1 sold

Categories: Security & Protection, Access Control

Buy Now
5% off
DC12V Waterproof Rfid Card Reader 5V read head customization With RS485 RS232 TTL Level Communication Access control Card Reader DC12V Waterproof Rfid Card Reader 5V read head customization With RS485 RS232 TTL Level Communication Access control Card Reader

DC12V Waterproof Rfid Card Reader 5V read head customization With RS485 RS232 TTL Level Communication Access control Card Reader

$15.13 $15.93

13 sold

Categories: Security & Protection, Access Control

Buy Now
37% off
Plastic Shims for Leveling - 36 Piece Jar, Strong and Durable Table Wedges, DIY Levelers for Furniture, Table, Chair Plastic Shims for Leveling - 36 Piece Jar, Strong and Durable Table Wedges, DIY Levelers for Furniture, Table, Chair

Plastic Shims for Leveling - 36 Piece Jar, Strong and Durable Table Wedges, DIY Levelers for Furniture, Table, Chair

$9.91 $15.73

Categories: Security & Protection, Access Control

Buy Now
2% off
waterproof design DC 12V 13.56Mhz swipe card reader, RS232, RS485, TTL level communication or 125Khz ID rf card reader waterproof design DC 12V 13.56Mhz swipe card reader, RS232, RS485, TTL level communication or 125Khz ID rf card reader

waterproof design DC 12V 13.56Mhz swipe card reader, RS232, RS485, TTL level communication or 125Khz ID rf card reader

$28.42 $29.00

Categories: Security & Protection, Access Control

Buy Now
5% off
Outdoor Waterproof, RS485, RS232, TTL Level Format Optional, DC 5V/9~16V/24V RF Card Reader, Support 13.56MHZ/125KHZ Card Swipin Outdoor Waterproof, RS485, RS232, TTL Level Format Optional, DC 5V/9~16V/24V RF Card Reader, Support 13.56MHZ/125KHZ Card Swipin

Outdoor Waterproof, RS485, RS232, TTL Level Format Optional, DC 5V/9~16V/24V RF Card Reader, Support 13.56MHZ/125KHZ Card Swipin

$18.71 $19.70

2 sold

Categories: Security & Protection, Access Control

Buy Now
30% off
12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino access control 12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino access control

12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino access control

$1.15 $1.65

Categories: Security & Protection, Access Control

Buy Now
5% off
12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino 12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

$1.71 $1.80

Categories: Security & Protection, Access Control

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8% off
KOOJN Wall Tiling 90 Degree Tiling Tool Tiling Level Laser Angle Line Instrument Tiling Right Angle Ground Wire Instrument KOOJN Wall Tiling 90 Degree Tiling Tool Tiling Level Laser Angle Line Instrument Tiling Right Angle Ground Wire Instrument

KOOJN Wall Tiling 90 Degree Tiling Tool Tiling Level Laser Angle Line Instrument Tiling Right Angle Ground Wire Instrument

$4.56 $4.96

1 sold

Categories: Security & Protection, Access Control

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21% off
Home Wireless Doorbell 433Mhz Smart Doorbell 200 Meters Long Distance 35 Song 4 Level Volume Door Chime Security Alarm Door Bell Home Wireless Doorbell 433Mhz Smart Doorbell 200 Meters Long Distance 35 Song 4 Level Volume Door Chime Security Alarm Door Bell

Home Wireless Doorbell 433Mhz Smart Doorbell 200 Meters Long Distance 35 Song 4 Level Volume Door Chime Security Alarm Door Bell

$14.61 $18.50

1 sold

Categories: Security & Protection, Access Control

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5% off
125khz, 13.56mhz Ultra-thin Metal Password/Swipe RF Card Reader, RS485, RS232, TTL Level Interface Card Reader 125khz, 13.56mhz Ultra-thin Metal Password/Swipe RF Card Reader, RS485, RS232, TTL Level Interface Card Reader

125khz, 13.56mhz Ultra-thin Metal Password/Swipe RF Card Reader, RS485, RS232, TTL Level Interface Card Reader

$27.53 $28.98

1 sold

Categories: Security & Protection, Access Control

Buy Now
8% off
ACR39-I1 600Kbps USB Full Speed Contact Reader Writer Support EMV 2000 Level 1 and PBOC With 2pcs SLE4442 card +sdk kit ACR39-I1 600Kbps USB Full Speed Contact Reader Writer Support EMV 2000 Level 1 and PBOC With 2pcs SLE4442 card +sdk kit

ACR39-I1 600Kbps USB Full Speed Contact Reader Writer Support EMV 2000 Level 1 and PBOC With 2pcs SLE4442 card +sdk kit

$25.76 $28.00

Categories: Security & Protection, Access Control

Buy Now
8% off
12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay board 12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay board

12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay board

$2.30 $2.50

Categories: Security & Protection, Access Control

Buy Now
5% off
Multi-Level Authorization Relay Switch Gsm Gate Opener Automatic Gate Opener For Garage Swing Sliding Doors G202 Plus G203 Multi-Level Authorization Relay Switch Gsm Gate Opener Automatic Gate Opener For Garage Swing Sliding Doors G202 Plus G203

Multi-Level Authorization Relay Switch Gsm Gate Opener Automatic Gate Opener For Garage Swing Sliding Doors G202 Plus G203

$12.35 $13.00

4 sold

Categories: Security & Protection, Access Control

Buy Now
47% off
10Pcs 3D Printer Pin for BLTouch Push-Pin Bed Leveling Sensor Probe with Replacement Needle 10Pcs 3D Printer Pin for BLTouch Push-Pin Bed Leveling Sensor Probe with Replacement Needle

10Pcs 3D Printer Pin for BLTouch Push-Pin Bed Leveling Sensor Probe with Replacement Needle

$3.11 $5.87

Categories: Security & Protection, Access Control

Buy Now
5% off
RFHID Access Control Card Reader Module 125KHZ Embedded RF Card Reader Module Wiegand 26~37/TTL Level/RS232 Communication Format RFHID Access Control Card Reader Module 125KHZ Embedded RF Card Reader Module Wiegand 26~37/TTL Level/RS232 Communication Format

RFHID Access Control Card Reader Module 125KHZ Embedded RF Card Reader Module Wiegand 26~37/TTL Level/RS232 Communication Format

$13.77 $14.50

1 sold

Categories: Security & Protection, Access Control

Buy Now
Designer multi level cat tree house wooden large cat tree house Designer multi level cat tree house wooden large cat tree house

Designer multi level cat tree house wooden large cat tree house

$1843.24 $1843.24

Categories: Security & Protection, Access Control

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54% off
LM3915 Audio Level Indicator Diy Kit 10 Led Sound Audio Spectrum Analyzer Level Indicator Kit Electoronics Soldering LM3915 Audio Level Indicator Diy Kit 10 Led Sound Audio Spectrum Analyzer Level Indicator Kit Electoronics Soldering

LM3915 Audio Level Indicator Diy Kit 10 Led Sound Audio Spectrum Analyzer Level Indicator Kit Electoronics Soldering

$1.70 $3.69

Categories: Security & Protection, Access Control

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RFID/IC Card Serial Reader COM Port RS232 M1 Card Reader TTL Level NFC Card Reader Linuxss RFID/IC Card Serial Reader COM Port RS232 M1 Card Reader TTL Level NFC Card Reader Linuxss

RFID/IC Card Serial Reader COM Port RS232 M1 Card Reader TTL Level NFC Card Reader Linuxss

$9.99 $9.99

Categories: Security & Protection, Access Control

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10% off
RFhid card sensor card reader, Waterproof RFHID Card Reader,125Khz Wiegand 26~37, RS485, RS232, TTL Level Communication RFhid card sensor card reader, Waterproof RFHID Card Reader,125Khz Wiegand 26~37, RS485, RS232, TTL Level Communication

RFhid card sensor card reader, Waterproof RFHID Card Reader,125Khz Wiegand 26~37, RS485, RS232, TTL Level Communication

$184.32 $204.80

4 sold

Categories: Security & Protection, Access Control

Buy Now
Original Baofeng intercom UV-9R/15W remote calling/10 level waterproof portable radio/dual band/hunting/exploration/engineering Original Baofeng intercom UV-9R/15W remote calling/10 level waterproof portable radio/dual band/hunting/exploration/engineering

Original Baofeng intercom UV-9R/15W remote calling/10 level waterproof portable radio/dual band/hunting/exploration/engineering

$188.80 $188.80

1 sold

Categories: Security & Protection, Access Control

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40% off
RISK 4Pcs Brake Lever Piston Rubber Ring for SRAM Guide R RE RSC DB5 Level T TL Series Bike Parts RISK 4Pcs Brake Lever Piston Rubber Ring for SRAM Guide R RE RSC DB5 Level T TL Series Bike Parts

RISK 4Pcs Brake Lever Piston Rubber Ring for SRAM Guide R RE RSC DB5 Level T TL Series Bike Parts

$3.11 $5.18

Categories: Security & Protection, Access Control

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20% off
Waterproof rfhid access control card reader, Wiegand 26~37, RS485, rs232, ttl level communication card reader small RFHID swipe Waterproof rfhid access control card reader, Wiegand 26~37, RS485, rs232, ttl level communication card reader small RFHID swipe

Waterproof rfhid access control card reader, Wiegand 26~37, RS485, rs232, ttl level communication card reader small RFHID swipe

$17.20 $21.50

4 sold

Categories: Security & Protection, Access Control

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20% off
RFHid card induction card swiping machine, Waterproof RF Card Reader, Wiegand 26-37, RS485, RS232, TTL Level Fromat Interface RFHid card induction card swiping machine, Waterproof RF Card Reader, Wiegand 26-37, RS485, RS232, TTL Level Fromat Interface

RFHid card induction card swiping machine, Waterproof RF Card Reader, Wiegand 26-37, RS485, RS232, TTL Level Fromat Interface

$163.84 $204.80

2 sold

Categories: Security & Protection, Access Control

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25% off
Transmitter and Receive with 45 Melodies 4 Adjustable Volume Levels, Waterproof for Office US Plug Transmitter and Receive with 45 Melodies 4 Adjustable Volume Levels, Waterproof for Office US Plug

Transmitter and Receive with 45 Melodies 4 Adjustable Volume Levels, Waterproof for Office US Plug

$14.48 $19.31

1 sold

Categories: Security & Protection, Access Control

Buy Now
5% off
125Khz EMID Proximity Access Card Reader Waterproof Design Wiegand RS232 RS485 TTL Level Format 13.56 Mhz NFC RF Card Reader 125Khz EMID Proximity Access Card Reader Waterproof Design Wiegand RS232 RS485 TTL Level Format 13.56 Mhz NFC RF Card Reader

125Khz EMID Proximity Access Card Reader Waterproof Design Wiegand RS232 RS485 TTL Level Format 13.56 Mhz NFC RF Card Reader

$107.01 $112.64

9 sold

Categories: Security & Protection, Access Control

Buy Now
Tripod Head,Laser Levels Plate, Plastic Adapter Fittings, Arm Bracket Tripod Head,Laser Levels Plate, Plastic Adapter Fittings, Arm Bracket

Tripod Head,Laser Levels Plate, Plastic Adapter Fittings, Arm Bracket

$4.19 $4.19

Categories: Security & Protection, Access Control

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37% off
Liquid Water Level Stainless Steel Right Angle Floating Switch for Aquarium Liquid Water Level Stainless Steel Right Angle Floating Switch for Aquarium

Liquid Water Level Stainless Steel Right Angle Floating Switch for Aquarium

$3.64 $5.78

Categories: Security & Protection, Access Control

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5% off
RFID 125KHZ Low Frequency RFHID RS232 Read card device, WG 26~37, RS485, RS232, TTL Level Communication RFID 125KHZ Low Frequency RFHID RS232 Read card device, WG 26~37, RS485, RS232, TTL Level Communication

RFID 125KHZ Low Frequency RFHID RS232 Read card device, WG 26~37, RS485, RS232, TTL Level Communication

$22.29 $23.46

18 sold

Categories: Security & Protection, Access Control

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5% off
GROW KR501 High Level Output DC3.3-10V Fingerprint Control Board With Fingerprint Module For Access Control System GROW KR501 High Level Output DC3.3-10V Fingerprint Control Board With Fingerprint Module For Access Control System

GROW KR501 High Level Output DC3.3-10V Fingerprint Control Board With Fingerprint Module For Access Control System

$7.22 $7.60

5 sold

Categories: Security & Protection, Access Control

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5% off
12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for A 12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for A

12V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for A

$1.90 $2.00

Categories: Security & Protection, Access Control

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Waterproof and Dustproof, 125khz/13.56mhz Frequency, RF Card Reader with RS232, RS485, TTL Level Format, 24V Working Voltage Can Waterproof and Dustproof, 125khz/13.56mhz Frequency, RF Card Reader with RS232, RS485, TTL Level Format, 24V Working Voltage Can

Waterproof and Dustproof, 125khz/13.56mhz Frequency, RF Card Reader with RS232, RS485, TTL Level Format, 24V Working Voltage Can

$17.52 $18.44

Categories: Security & Protection, Access Control

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54% off
Camera Pan Base With Arca Swiss Style Plate, 0.95Cm Screw Aluminum Panoramic Ball Tripod Head With Bubble Level, Load Capacity 2 Camera Pan Base With Arca Swiss Style Plate, 0.95Cm Screw Aluminum Panoramic Ball Tripod Head With Bubble Level, Load Capacity 2

Camera Pan Base With Arca Swiss Style Plate, 0.95Cm Screw Aluminum Panoramic Ball Tripod Head With Bubble Level, Load Capacity 2

$11.90 $25.86

Categories: Security & Protection, Access Control

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