All categories

Featured selections

Trade Assurance

Buyer Central

Help Center

Get the app

Become a supplier

Door sensor

(999+ products available)

Tuya WIFI Vibration <b>Sensor</b> Real Time Monitoring <b>Door</b> Window Detection Alarm Smart Home Security Protection System - Product Image 1

Tuya WIFI Vibration <b>Sensor</b> Real Time Monitoring <b>Door</b> Window Detection Alarm Smart Home Security Protection System - Product Image 2

Tuya WIFI Vibration <b>Sensor</b> Real Time Monitoring <b>Door</b> Window Detection Alarm Smart Home Security Protection System - Product Image 3

Tuya WIFI Vibration <b>Sensor</b> Real Time Monitoring <b>Door</b> Window Detection Alarm Smart Home Security Protection System - Product Image 4

Tuya WIFI Vibration <b>Sensor</b> Real Time Monitoring <b>Door</b> Window Detection Alarm Smart Home Security Protection System - Product Image 5

Tuya WIFI Vibration <b>Sensor</b> Real Time Monitoring <b>Door</b> Window Detection Alarm Smart Home Security Protection System - Product Image 6

Tuya WIFI Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home Security Protection System

£3.19-3.72

MOQ: 1 piece

Virtue Sensor Inc

1 yrs

US

Magnetic Proximity <b>Sensor</b> for Showcase <b>Door</b> Security Alarm System with 0-10m Sensing Distance Shielded Wired - Product Image 1

Magnetic Proximity <b>Sensor</b> for Showcase <b>Door</b> Security Alarm System with 0-10m Sensing Distance Shielded Wired - Product Image 2

Magnetic Proximity <b>Sensor</b> for Showcase <b>Door</b> Security Alarm System with 0-10m Sensing Distance Shielded Wired - Product Image 3

Magnetic Proximity <b>Sensor</b> for Showcase <b>Door</b> Security Alarm System with 0-10m Sensing Distance Shielded Wired - Product Image 4

Magnetic Proximity <b>Sensor</b> for Showcase <b>Door</b> Security Alarm System with 0-10m Sensing Distance Shielded Wired - Product Image 5

Magnetic Proximity <b>Sensor</b> for Showcase <b>Door</b> Security Alarm System with 0-10m Sensing Distance Shielded Wired - Product Image 6

Magnetic Proximity Sensor for Showcase Door Security Alarm System with 0-10m Sensing Distance Shielded Wired

£0.9181-3.07

MOQ: 500 pieces

Fuen (HK) Electronics Co., Limited

1 yrs

WIFI06 Tuya APP Control Smart GSM WIFI Home Security System Alarm Security System <b>Door</b> Alarm <b>Sensor</b> Anti Theft - Product Image 1

WIFI06 Tuya APP Control Smart GSM WIFI Home Security System Alarm Security System <b>Door</b> Alarm <b>Sensor</b> Anti Theft - Product Image 2

WIFI06 Tuya APP Control Smart GSM WIFI Home Security System Alarm Security System <b>Door</b> Alarm <b>Sensor</b> Anti Theft - Product Image 3

WIFI06 Tuya APP Control Smart GSM WIFI Home Security System Alarm Security System <b>Door</b> Alarm <b>Sensor</b> Anti Theft - Product Image 4

WIFI06 Tuya APP Control Smart GSM WIFI Home Security System Alarm Security System <b>Door</b> Alarm <b>Sensor</b> Anti Theft - Product Image 5

WIFI06 Tuya APP Control Smart GSM WIFI Home Security System Alarm Security System <b>Door</b> Alarm <b>Sensor</b> Anti Theft - Product Image 6

WIFI06 Tuya APP Control Smart GSM WIFI Home Security System Alarm Security System Door Alarm Sensor Anti Theft

£25.51-30.21

MOQ: 1 set

Virtue Sensor Inc

1 yrs

US

Proximity <b>Sensor</b> Magnetic Reed Type for <b>Door</b> Position Feedback Industrial Control - Product Image 1

Proximity <b>Sensor</b> Magnetic Reed Type for <b>Door</b> Position Feedback Industrial Control - Product Image 2

Proximity <b>Sensor</b> Magnetic Reed Type for <b>Door</b> Position Feedback Industrial Control - Product Image 3

Proximity <b>Sensor</b> Magnetic Reed Type for <b>Door</b> Position Feedback Industrial Control - Product Image 4

Proximity <b>Sensor</b> Magnetic Reed Type for <b>Door</b> Position Feedback Industrial Control - Product Image 5

Proximity <b>Sensor</b> Magnetic Reed Type for <b>Door</b> Position Feedback Industrial Control - Product Image 6

Proximity Sensor Magnetic Reed Type for Door Position Feedback Industrial Control

£0.9181-3.07

MOQ: 500 pieces

Fuen (HK) Electronics Co., Limited

1 yrs

High Quality Reed Switch NC Form B Normally Closed Surface <b>Door</b> Contacts Magnetic Switch <b>Sensor</b> - Product Image 1

High Quality Reed Switch NC Form B Normally Closed Surface <b>Door</b> Contacts Magnetic Switch <b>Sensor</b> - Product Image 2

High Quality Reed Switch NC Form B Normally Closed Surface <b>Door</b> Contacts Magnetic Switch <b>Sensor</b> - Product Image 3

High Quality Reed Switch NC Form B Normally Closed Surface <b>Door</b> Contacts Magnetic Switch <b>Sensor</b> - Product Image 4

High Quality Reed Switch NC Form B Normally Closed Surface <b>Door</b> Contacts Magnetic Switch <b>Sensor</b> - Product Image 5

High Quality Reed Switch NC Form B Normally Closed Surface <b>Door</b> Contacts Magnetic Switch <b>Sensor</b> - Product Image 6

High Quality Reed Switch NC Form B Normally Closed Surface Door Contacts Magnetic Switch Sensor

£0.6121-0.7651

MOQ: 500 pieces

Fuen (HK) Electronics Co., Limited

1 yrs

Tuya Smart WiFi <b>Door</b> Window Alarm <b>Sensor</b> Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home - Product Image 1

Tuya Smart WiFi <b>Door</b> Window Alarm <b>Sensor</b> Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home - Product Image 2

Tuya Smart WiFi <b>Door</b> Window Alarm <b>Sensor</b> Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home - Product Image 3

Tuya Smart WiFi <b>Door</b> Window Alarm <b>Sensor</b> Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home - Product Image 4

Tuya Smart WiFi <b>Door</b> Window Alarm <b>Sensor</b> Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home - Product Image 5

Tuya Smart WiFi <b>Door</b> Window Alarm <b>Sensor</b> Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home - Product Image 6

Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home

£3.55-3.98

MOQ: 5 pieces

Virtue Sensor Inc

1 yrs

US

<b>Door</b> Security Alarm Gsm <b>Door</b> Open Alarm 4G SMS Alarm Messenger Modbus Temperature Humidity <b>Sensor</b> - Product Image 1

<b>Door</b> Security Alarm Gsm <b>Door</b> Open Alarm 4G SMS Alarm Messenger Modbus Temperature Humidity <b>Sensor</b> - Product Image 2

<b>Door</b> Security Alarm Gsm <b>Door</b> Open Alarm 4G SMS Alarm Messenger Modbus Temperature Humidity <b>Sensor</b> - Product Image 3

<b>Door</b> Security Alarm Gsm <b>Door</b> Open Alarm 4G SMS Alarm Messenger Modbus Temperature Humidity <b>Sensor</b> - Product Image 4

<b>Door</b> Security Alarm Gsm <b>Door</b> Open Alarm 4G SMS Alarm Messenger Modbus Temperature Humidity <b>Sensor</b> - Product Image 5

<b>Door</b> Security Alarm Gsm <b>Door</b> Open Alarm 4G SMS Alarm Messenger Modbus Temperature Humidity <b>Sensor</b> - Product Image 6

Door Security Alarm Gsm Door Open Alarm 4G SMS Alarm Messenger Modbus Temperature Humidity Sensor

£76.51-153.02

MOQ: 1 set

EASEMIND TECHNOLOGY LIMITED

12 yrs

Reed Switch for Garage <b>Door</b> Safety <b>Sensor</b> Magnetic Contact NC - Product Image 1

Reed Switch for Garage <b>Door</b> Safety <b>Sensor</b> Magnetic Contact NC - Product Image 2

Reed Switch for Garage <b>Door</b> Safety <b>Sensor</b> Magnetic Contact NC - Product Image 3

Reed Switch for Garage <b>Door</b> Safety <b>Sensor</b> Magnetic Contact NC - Product Image 4

Reed Switch for Garage <b>Door</b> Safety <b>Sensor</b> Magnetic Contact NC - Product Image 5

Reed Switch for Garage <b>Door</b> Safety <b>Sensor</b> Magnetic Contact NC - Product Image 6

Reed Switch for Garage Door Safety Sensor Magnetic Contact NC

£0.9181-3.07

MOQ: 500 pieces

Fuen (HK) Electronics Co., Limited

1 yrs