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Security System Sensors

188 productsUpdated April 2026
High Sensitivity Stable 2pcs Magnetic Reed Door Switch Normally Open Closed Magnetic Contact Switch for Door Wall Security Alarm

YOUTHINK

High Sensitivity Stable 2pcs Magnetic Reed Door Switch Normally Open Closed Magnetic Contact Switch for Door Wall Security Alarm

£4.70

Yale SensCheck Door Sensor

Yale

Yale SensCheck Door Sensor

£30.00

Rain And Snow Sensor Transmitter Weather Induction Detection Heating Anti-icing Outdoor Rain And Snow Sensing Detection

DINENAY

Rain And Snow Sensor Transmitter Weather Induction Detection Heating Anti-icing Outdoor Rain And Snow Sensing Detection

£25.10

Burg-Wachter Alternative Patio Security Kit

Burg-Wachter

Burg-Wachter Alternative Patio Security Kit

£29.00

Solar TPMS Car Tire Pressure Alarm Digital Colorful Display 6 External Sensors Waterproof Tire Pressure Temperature Warning

EFDKC

Solar TPMS Car Tire Pressure Alarm Digital Colorful Display 6 External Sensors Waterproof Tire Pressure Temperature Warning

£50.18

Tuya Zigbee Wifi Door and Window Sensor Security Burglar Alarm Magnetic Presence Sensor Smart Life Works with Google Home Alexa

MinisterWorks

Tuya Zigbee Wifi Door and Window Sensor Security Burglar Alarm Magnetic Presence Sensor Smart Life Works with Google Home Alexa

£6.78

Lambda Sensor Walker Fits: SAAB 9-3 (YS3F, E79, D79, D75)

Walker

Lambda Sensor Walker Fits: SAAB 9-3 (YS3F, E79, D79, D75)

£154.99

Baseus Security S1 Lite Wireless Outdoor Camera 4-Cam Solar Security Camera 2K Clarity With Power 135°FOV IP67 512GB Wifi Camera

BASEUS

Baseus Security S1 Lite Wireless Outdoor Camera 4-Cam Solar Security Camera 2K Clarity With Power 135°FOV IP67 512GB Wifi Camera

£503.31

Tuya Zigbee / WIFI 24GHz mmWave Radar Human Presence Sensor Dynamic Static Detection Home Automation Protection Scene Linkage

NONE

Tuya Zigbee / WIFI 24GHz mmWave Radar Human Presence Sensor Dynamic Static Detection Home Automation Protection Scene Linkage

£32.94

Yale Siren Installation

Yale

Yale Siren Installation

£199.99

Outdoor Ambient Temperature Sensor for MG6 GS HS Roewe RX3 RX5 EI5 EI6 RX8 Plug

NONE

Outdoor Ambient Temperature Sensor for MG6 GS HS Roewe RX3 RX5 EI5 EI6 RX8 Plug

£10.84

Tuya Zigbee Smart Vibration Sensor Detection Home Security Protection Smart Life App Real-time Remote Monitor Alarm Notification

iHseno

Tuya Zigbee Smart Vibration Sensor Detection Home Security Protection Smart Life App Real-time Remote Monitor Alarm Notification

£11.51

Pre Break-in Sensor - Smart Alarm Range

Yale

Pre Break-in Sensor - Smart Alarm Range

£39.98

Burg-Wachter Patio Security Kit

Burg-Wachter

Burg-Wachter Patio Security Kit

£40.00

Lambda Sensor Walker Fits: SAAB 9-3 Estate (E50)

Walker

Lambda Sensor Walker Fits: SAAB 9-3 Estate (E50)

£154.99

Oil Pressure Switch FACET Fits: SAAB 9-3X (YS3)

FACET

Oil Pressure Switch FACET Fits: SAAB 9-3X (YS3)

£14.59

Lambda Sensor Bosch Fits: SAAB 9-3 (YS3D) 2.0 Turbo

Bosch

Lambda Sensor Bosch Fits: SAAB 9-3 (YS3D) 2.0 Turbo

£111.10

Oil Pressure Switch FACET Fits: SAAB 9-3 (YS3D)

FACET

Oil Pressure Switch FACET Fits: SAAB 9-3 (YS3D)

£24.23

Tuya WiFi Smart Temperature and Humidity Sensor Battery Powered Monitoring Home Security Work With Alexa Google Home

SaltComm

Tuya WiFi Smart Temperature and Humidity Sensor Battery Powered Monitoring Home Security Work With Alexa Google Home

£6.49

Ener-J Smart WiFi Door Sensor 4 Pack

Ener-j

Ener-J Smart WiFi Door Sensor 4 Pack

£66.00

1 Pair Home Security Magnetic Door/Window Alarm Sensor - RC-33/MC-33 Recessed Reed Switch (DC 100V 300mA)

EGBO

1 Pair Home Security Magnetic Door/Window Alarm Sensor - RC-33/MC-33 Recessed Reed Switch (DC 100V 300mA)

£2.93

Tuya Zigbee WiFi Temperature Humidity Sensor 1M External Sensor Cable Probe APP Remote Control Work With SmartLife Yandex Alexa

RightSitu

Tuya Zigbee WiFi Temperature Humidity Sensor 1M External Sensor Cable Probe APP Remote Control Work With SmartLife Yandex Alexa

£30.63

Tuya WiFi Temperature Humidity Sensor with External Probe for Smart Home Smart Life APP Monitoring For Aquarium Winery Plants

MinisterWorks

Tuya WiFi Temperature Humidity Sensor with External Probe for Smart Home Smart Life APP Monitoring For Aquarium Winery Plants

£11.39

Industrial Safety Light Curtain Sensor - 8-14 Beam Infrared Grating 20/40mm Resolution NPN Protection Switch

NONE

Industrial Safety Light Curtain Sensor - 8-14 Beam Infrared Grating 20/40mm Resolution NPN Protection Switch

£29.37

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