All categories

Featured selections

Trade Assurance

Buyer Central

Help Center

Get the app

Become a supplier

Alarm door sensor

(447 products available)

Magnetic Reed <b>Sensor</b> for Fire <b>Door</b> Status Monitoring Proximity Switch - Product Image 1

Magnetic Reed <b>Sensor</b> for Fire <b>Door</b> Status Monitoring Proximity Switch - Product Image 2

Magnetic Reed <b>Sensor</b> for Fire <b>Door</b> Status Monitoring Proximity Switch - Product Image 3

Magnetic Reed <b>Sensor</b> for Fire <b>Door</b> Status Monitoring Proximity Switch - Product Image 4

Magnetic Reed <b>Sensor</b> for Fire <b>Door</b> Status Monitoring Proximity Switch - Product Image 5

Magnetic Reed <b>Sensor</b> for Fire <b>Door</b> Status Monitoring Proximity Switch - Product Image 6

Magnetic Reed Sensor for Fire Door Status Monitoring Proximity Switch

£0.9026-3.01

MOQ: 500

lora module digital detector <b>door</b> open wireless <b>door</b> access control system <b>door</b> remote <b>sensor</b> <b>alarm</b> - Product Image 1

lora module digital detector <b>door</b> open wireless <b>door</b> access control system <b>door</b> remote <b>sensor</b> <b>alarm</b> - Product Image 2

lora module digital detector <b>door</b> open wireless <b>door</b> access control system <b>door</b> remote <b>sensor</b> <b>alarm</b> - Product Image 3

lora module digital detector <b>door</b> open wireless <b>door</b> access control system <b>door</b> remote <b>sensor</b> <b>alarm</b> - Product Image 4

lora module digital detector <b>door</b> open wireless <b>door</b> access control system <b>door</b> remote <b>sensor</b> <b>alarm</b> - Product Image 5

lora module digital detector <b>door</b> open wireless <b>door</b> access control system <b>door</b> remote <b>sensor</b> <b>alarm</b> - Product Image 6

lora module digital detector door open wireless door access control system door remote sensor alarm

£37.61-112.83

MOQ: 1

Wireless Tuya WIFI/GSM/RF433 Smart <b>Alarm</b> System With PIR Detector/<b>Door</b> <b>Sensor</b>/Siren/Remote Controller - Product Image 1

Wireless Tuya WIFI/GSM/RF433 Smart <b>Alarm</b> System With PIR Detector/<b>Door</b> <b>Sensor</b>/Siren/Remote Controller - Product Image 2

Wireless Tuya WIFI/GSM/RF433 Smart <b>Alarm</b> System With PIR Detector/<b>Door</b> <b>Sensor</b>/Siren/Remote Controller - Product Image 3

Wireless Tuya WIFI/GSM/RF433 Smart <b>Alarm</b> System With PIR Detector/<b>Door</b> <b>Sensor</b>/Siren/Remote Controller - Product Image 4

Wireless Tuya WIFI/GSM/RF433 Smart <b>Alarm</b> System With PIR Detector/<b>Door</b> <b>Sensor</b>/Siren/Remote Controller - Product Image 5

Wireless Tuya WIFI/GSM/RF433 Smart <b>Alarm</b> System With PIR Detector/<b>Door</b> <b>Sensor</b>/Siren/Remote Controller - Product Image 6

Wireless Tuya WIFI/GSM/RF433 Smart Alarm System With PIR Detector/Door Sensor/Siren/Remote Controller

£25.08-29.70

MOQ: 1

Magnetic Proximity Switch for Automated Sliding <b>Door</b> Position Control <b>Sensor</b> - Product Image 1

Magnetic Proximity Switch for Automated Sliding <b>Door</b> Position Control <b>Sensor</b> - Product Image 2

Magnetic Proximity Switch for Automated Sliding <b>Door</b> Position Control <b>Sensor</b> - Product Image 3

Magnetic Proximity Switch for Automated Sliding <b>Door</b> Position Control <b>Sensor</b> - Product Image 4

Magnetic Proximity Switch for Automated Sliding <b>Door</b> Position Control <b>Sensor</b> - Product Image 5

Magnetic Proximity Switch for Automated Sliding <b>Door</b> Position Control <b>Sensor</b> - Product Image 6

Magnetic Proximity Switch for Automated Sliding Door Position Control Sensor

£0.9026-3.01

MOQ: 500

Home Security System Gsm <b>Door</b> Opening <b>Alarm</b> <b>Door</b> windows 4G Sms Recorder Pulse Counter Modbus Agricultural Iot <b>Sensors</b> - Product Image 1

Home Security System Gsm <b>Door</b> Opening <b>Alarm</b> <b>Door</b> windows 4G Sms Recorder Pulse Counter Modbus Agricultural Iot <b>Sensors</b> - Product Image 2

Home Security System Gsm <b>Door</b> Opening <b>Alarm</b> <b>Door</b> windows 4G Sms Recorder Pulse Counter Modbus Agricultural Iot <b>Sensors</b> - Product Image 3

Home Security System Gsm <b>Door</b> Opening <b>Alarm</b> <b>Door</b> windows 4G Sms Recorder Pulse Counter Modbus Agricultural Iot <b>Sensors</b> - Product Image 4

Home Security System Gsm <b>Door</b> Opening <b>Alarm</b> <b>Door</b> windows 4G Sms Recorder Pulse Counter Modbus Agricultural Iot <b>Sensors</b> - Product Image 5

Home Security System Gsm <b>Door</b> Opening <b>Alarm</b> <b>Door</b> windows 4G Sms Recorder Pulse Counter Modbus Agricultural Iot <b>Sensors</b> - Product Image 6

Home Security System Gsm Door Opening Alarm Door windows 4G Sms Recorder Pulse Counter Modbus Agricultural Iot Sensors

£75.22-150.43

MOQ: 1

Tuya Zigbee Smart Vibration <b>Sensor</b> Smart Home <b>Door</b> Window Break Burglar Detection <b>Alarm</b> Security Protection - Product Image 1

Tuya Zigbee Smart Vibration <b>Sensor</b> Smart Home <b>Door</b> Window Break Burglar Detection <b>Alarm</b> Security Protection - Product Image 2

Tuya Zigbee Smart Vibration <b>Sensor</b> Smart Home <b>Door</b> Window Break Burglar Detection <b>Alarm</b> Security Protection - Product Image 3

Tuya Zigbee Smart Vibration <b>Sensor</b> Smart Home <b>Door</b> Window Break Burglar Detection <b>Alarm</b> Security Protection - Product Image 4

Tuya Zigbee Smart Vibration <b>Sensor</b> Smart Home <b>Door</b> Window Break Burglar Detection <b>Alarm</b> Security Protection - Product Image 5

Tuya Zigbee Smart Vibration <b>Sensor</b> Smart Home <b>Door</b> Window Break Burglar Detection <b>Alarm</b> Security Protection - Product Image 6

Tuya Zigbee Smart Vibration Sensor Smart Home Door Window Break Burglar Detection Alarm Security Protection

£3.69-4.14

MOQ: 2

Magnetic Switch for Garage <b>Door</b> Position Indicator Proximity <b>Sensor</b> - Product Image 1

Magnetic Switch for Garage <b>Door</b> Position Indicator Proximity <b>Sensor</b> - Product Image 2

Magnetic Switch for Garage <b>Door</b> Position Indicator Proximity <b>Sensor</b> - Product Image 3

Magnetic Switch for Garage <b>Door</b> Position Indicator Proximity <b>Sensor</b> - Product Image 4

Magnetic Switch for Garage <b>Door</b> Position Indicator Proximity <b>Sensor</b> - Product Image 5

Magnetic Switch for Garage <b>Door</b> Position Indicator Proximity <b>Sensor</b> - Product Image 6

Magnetic Switch for Garage Door Position Indicator Proximity Sensor

£0.9026-3.01

MOQ: 500

Smart Magnetic Contact <b>Sensor</b> <b>Door</b> and Window Detector Zigbee <b>Door</b> Window <b>Sensor</b> for Smart Security <b>Alarm</b> System - Product Image 1

Smart Magnetic Contact <b>Sensor</b> <b>Door</b> and Window Detector Zigbee <b>Door</b> Window <b>Sensor</b> for Smart Security <b>Alarm</b> System - Product Image 2

Smart Magnetic Contact <b>Sensor</b> <b>Door</b> and Window Detector Zigbee <b>Door</b> Window <b>Sensor</b> for Smart Security <b>Alarm</b> System - Product Image 3

Smart Magnetic Contact <b>Sensor</b> <b>Door</b> and Window Detector Zigbee <b>Door</b> Window <b>Sensor</b> for Smart Security <b>Alarm</b> System - Product Image 4

Smart Magnetic Contact <b>Sensor</b> <b>Door</b> and Window Detector Zigbee <b>Door</b> Window <b>Sensor</b> for Smart Security <b>Alarm</b> System - Product Image 5

Smart Magnetic Contact <b>Sensor</b> <b>Door</b> and Window Detector Zigbee <b>Door</b> Window <b>Sensor</b> for Smart Security <b>Alarm</b> System - Product Image 6

Smart Magnetic Contact Sensor Door and Window Detector Zigbee Door Window Sensor for Smart Security Alarm System

£37.61-112.83

MOQ: 1