All categories

Featured selections

Trade Assurance

Buyer Central

Help Center

Get the app

Become a supplier

Door sensor

(999+ products available)

2 Wires 12V ABS Cylindrical Reed Switch Magnetic Proximity <b>Sensor</b> Anti-theft High Temp. Range Screw Mount Lock/<b>Door</b>/Light - Product Image 1

2 Wires 12V ABS Cylindrical Reed Switch Magnetic Proximity <b>Sensor</b> Anti-theft High Temp. Range Screw Mount Lock/<b>Door</b>/Light - Product Image 2

2 Wires 12V ABS Cylindrical Reed Switch Magnetic Proximity <b>Sensor</b> Anti-theft High Temp. Range Screw Mount Lock/<b>Door</b>/Light - Product Image 3

2 Wires 12V ABS Cylindrical Reed Switch Magnetic Proximity <b>Sensor</b> Anti-theft High Temp. Range Screw Mount Lock/<b>Door</b>/Light - Product Image 4

2 Wires 12V ABS Cylindrical Reed Switch Magnetic Proximity <b>Sensor</b> Anti-theft High Temp. Range Screw Mount Lock/<b>Door</b>/Light - Product Image 5

2 Wires 12V ABS Cylindrical Reed Switch Magnetic Proximity <b>Sensor</b> Anti-theft High Temp. Range Screw Mount Lock/<b>Door</b>/Light - Product Image 6

2 Wires 12V ABS Cylindrical Reed Switch Magnetic Proximity Sensor Anti-theft High Temp. Range Screw Mount Lock/Door/Light

£0.4137-0.7522

MOQ: 200

Smart 12V/24V IR <b>Sensor</b> Switch Lamp Turn On/Off <b>Door</b> Opening/Closing Adjustable Delay 0-80mm Sensing Range 3 Year Warranty CE - Product Image 1

Smart 12V/24V IR <b>Sensor</b> Switch Lamp Turn On/Off <b>Door</b> Opening/Closing Adjustable Delay 0-80mm Sensing Range 3 Year Warranty CE - Product Image 2

Smart 12V/24V IR <b>Sensor</b> Switch Lamp Turn On/Off <b>Door</b> Opening/Closing Adjustable Delay 0-80mm Sensing Range 3 Year Warranty CE - Product Image 3

Smart 12V/24V IR <b>Sensor</b> Switch Lamp Turn On/Off <b>Door</b> Opening/Closing Adjustable Delay 0-80mm Sensing Range 3 Year Warranty CE - Product Image 4

Smart 12V/24V IR <b>Sensor</b> Switch Lamp Turn On/Off <b>Door</b> Opening/Closing Adjustable Delay 0-80mm Sensing Range 3 Year Warranty CE - Product Image 5

Smart 12V/24V IR <b>Sensor</b> Switch Lamp Turn On/Off <b>Door</b> Opening/Closing Adjustable Delay 0-80mm Sensing Range 3 Year Warranty CE - Product Image 6

Smart 12V/24V IR Sensor Switch Lamp Turn On/Off Door Opening/Closing Adjustable Delay 0-80mm Sensing Range 3 Year Warranty CE

£1.72-1.89

MOQ: 500

Modern Cabinet Single <b>Door</b> Open/Close Induction Lamp Turn On/off IR <b>Sensor</b> Switch Smart Silver Finish 36W Adjustable Delay - Product Image 1

Modern Cabinet Single <b>Door</b> Open/Close Induction Lamp Turn On/off IR <b>Sensor</b> Switch Smart Silver Finish 36W Adjustable Delay - Product Image 2

Modern Cabinet Single <b>Door</b> Open/Close Induction Lamp Turn On/off IR <b>Sensor</b> Switch Smart Silver Finish 36W Adjustable Delay - Product Image 3

Modern Cabinet Single <b>Door</b> Open/Close Induction Lamp Turn On/off IR <b>Sensor</b> Switch Smart Silver Finish 36W Adjustable Delay - Product Image 4

Modern Cabinet Single <b>Door</b> Open/Close Induction Lamp Turn On/off IR <b>Sensor</b> Switch Smart Silver Finish 36W Adjustable Delay - Product Image 5

Modern Cabinet Single <b>Door</b> Open/Close Induction Lamp Turn On/off IR <b>Sensor</b> Switch Smart Silver Finish 36W Adjustable Delay - Product Image 6

Modern Cabinet Single Door Open/Close Induction Lamp Turn On/off IR Sensor Switch Smart Silver Finish 36W Adjustable Delay

£1.64-1.80

MOQ: 500

Magnet Reed Switch <b>Sensor</b> <b>Door</b> Proximity Switch 30mm Detection Distance IP53 Rated Two-core Wire for Automatic <b>Door</b> Contacts - Product Image 1

Magnet Reed Switch <b>Sensor</b> <b>Door</b> Proximity Switch 30mm Detection Distance IP53 Rated Two-core Wire for Automatic <b>Door</b> Contacts - Product Image 2

Magnet Reed Switch <b>Sensor</b> <b>Door</b> Proximity Switch 30mm Detection Distance IP53 Rated Two-core Wire for Automatic <b>Door</b> Contacts - Product Image 3

Magnet Reed Switch <b>Sensor</b> <b>Door</b> Proximity Switch 30mm Detection Distance IP53 Rated Two-core Wire for Automatic <b>Door</b> Contacts - Product Image 4

Magnet Reed Switch <b>Sensor</b> <b>Door</b> Proximity Switch 30mm Detection Distance IP53 Rated Two-core Wire for Automatic <b>Door</b> Contacts - Product Image 5

Magnet Reed Switch <b>Sensor</b> <b>Door</b> Proximity Switch 30mm Detection Distance IP53 Rated Two-core Wire for Automatic <b>Door</b> Contacts - Product Image 6

Magnet Reed Switch Sensor Door Proximity Switch 30mm Detection Distance IP53 Rated Two-core Wire for Automatic Door Contacts

£0.677-1.27

MOQ: 100

Wireless <b>Door</b> Remote <b>Sensor</b> Alarm Z-wave <b>Door</b> Contact Open Alarm <b>Sensor</b> <b>Door</b> Magnetic Detector Alarm - Product Image 1

Wireless <b>Door</b> Remote <b>Sensor</b> Alarm Z-wave <b>Door</b> Contact Open Alarm <b>Sensor</b> <b>Door</b> Magnetic Detector Alarm - Product Image 2

Wireless <b>Door</b> Remote <b>Sensor</b> Alarm Z-wave <b>Door</b> Contact Open Alarm <b>Sensor</b> <b>Door</b> Magnetic Detector Alarm - Product Image 3

Wireless <b>Door</b> Remote <b>Sensor</b> Alarm Z-wave <b>Door</b> Contact Open Alarm <b>Sensor</b> <b>Door</b> Magnetic Detector Alarm - Product Image 4

Wireless <b>Door</b> Remote <b>Sensor</b> Alarm Z-wave <b>Door</b> Contact Open Alarm <b>Sensor</b> <b>Door</b> Magnetic Detector Alarm - Product Image 5

Wireless <b>Door</b> Remote <b>Sensor</b> Alarm Z-wave <b>Door</b> Contact Open Alarm <b>Sensor</b> <b>Door</b> Magnetic Detector Alarm - Product Image 6

Wireless Door Remote Sensor Alarm Z-wave Door Contact Open Alarm Sensor Door Magnetic Detector Alarm

£37.61-150.43

MOQ: 2

Wireless <b>Doors</b> Windows Alarm System 64 Channels Wireless Digital Alarm <b>Sensor</b> <b>Door</b> Open Motion Detector <b>door</b> window alarm - Product Image 1

Wireless <b>Doors</b> Windows Alarm System 64 Channels Wireless Digital Alarm <b>Sensor</b> <b>Door</b> Open Motion Detector <b>door</b> window alarm - Product Image 2

Wireless <b>Doors</b> Windows Alarm System 64 Channels Wireless Digital Alarm <b>Sensor</b> <b>Door</b> Open Motion Detector <b>door</b> window alarm - Product Image 3

Wireless <b>Doors</b> Windows Alarm System 64 Channels Wireless Digital Alarm <b>Sensor</b> <b>Door</b> Open Motion Detector <b>door</b> window alarm - Product Image 4

Wireless Doors Windows Alarm System 64 Channels Wireless Digital Alarm Sensor Door Open Motion Detector door window alarm

£37.61-112.83

MOQ: 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 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

£3.49-3.92

MOQ: 5

Smart Wireless WiFi <b>Door</b> Window <b>Sensor</b> Real-Time Alarm Compatible Alexa Google Assistant Home Automation Security System Tuya - Product Image 1

Smart Wireless WiFi <b>Door</b> Window <b>Sensor</b> Real-Time Alarm Compatible Alexa Google Assistant Home Automation Security System Tuya - Product Image 2

Smart Wireless WiFi <b>Door</b> Window <b>Sensor</b> Real-Time Alarm Compatible Alexa Google Assistant Home Automation Security System Tuya - Product Image 3

Smart Wireless WiFi <b>Door</b> Window <b>Sensor</b> Real-Time Alarm Compatible Alexa Google Assistant Home Automation Security System Tuya - Product Image 4

Smart Wireless WiFi <b>Door</b> Window <b>Sensor</b> Real-Time Alarm Compatible Alexa Google Assistant Home Automation Security System Tuya - Product Image 5

Smart Wireless WiFi <b>Door</b> Window <b>Sensor</b> Real-Time Alarm Compatible Alexa Google Assistant Home Automation Security System Tuya - Product Image 6

Smart Wireless WiFi Door Window Sensor Real-Time Alarm Compatible Alexa Google Assistant Home Automation Security System Tuya

£3.77

MOQ: 2