Security System Sensors
188 productsUpdated April 2026
YOUTHINK
High Sensitivity Stable 2pcs Magnetic Reed Door Switch Normally Open Closed Magnetic Contact Switch for Door Wall Security Alarm
£4.70
Yale
Yale SensCheck Door Sensor
£30.00
DINENAY
Rain And Snow Sensor Transmitter Weather Induction Detection Heating Anti-icing Outdoor Rain And Snow Sensing Detection
£25.10
Burg-Wachter
Burg-Wachter Alternative Patio Security Kit
£29.00
EFDKC
Solar TPMS Car Tire Pressure Alarm Digital Colorful Display 6 External Sensors Waterproof Tire Pressure Temperature Warning
£50.18
MinisterWorks
Tuya Zigbee Wifi Door and Window Sensor Security Burglar Alarm Magnetic Presence Sensor Smart Life Works with Google Home Alexa
£6.78
Walker
Lambda Sensor Walker Fits: SAAB 9-3 (YS3F, E79, D79, D75)
£154.99
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
NONE
Tuya Zigbee / WIFI 24GHz mmWave Radar Human Presence Sensor Dynamic Static Detection Home Automation Protection Scene Linkage
£32.94
Yale
Yale Siren Installation
£199.99
NONE
Outdoor Ambient Temperature Sensor for MG6 GS HS Roewe RX3 RX5 EI5 EI6 RX8 Plug
£10.84
iHseno
Tuya Zigbee Smart Vibration Sensor Detection Home Security Protection Smart Life App Real-time Remote Monitor Alarm Notification
£11.51
Yale
Pre Break-in Sensor - Smart Alarm Range
£39.98
Burg-Wachter
Burg-Wachter Patio Security Kit
£40.00
Walker
Lambda Sensor Walker Fits: SAAB 9-3 Estate (E50)
£154.99
FACET
Oil Pressure Switch FACET Fits: SAAB 9-3X (YS3)
£14.59
Bosch
Lambda Sensor Bosch Fits: SAAB 9-3 (YS3D) 2.0 Turbo
£111.10
FACET
Oil Pressure Switch FACET Fits: SAAB 9-3 (YS3D)
£24.23
SaltComm
Tuya WiFi Smart Temperature and Humidity Sensor Battery Powered Monitoring Home Security Work With Alexa Google Home
£6.49
Ener-j
Ener-J Smart WiFi Door Sensor 4 Pack
£66.00
EGBO
1 Pair Home Security Magnetic Door/Window Alarm Sensor - RC-33/MC-33 Recessed Reed Switch (DC 100V 300mA)
£2.93
RightSitu
Tuya Zigbee WiFi Temperature Humidity Sensor 1M External Sensor Cable Probe APP Remote Control Work With SmartLife Yandex Alexa
£30.63
MinisterWorks
Tuya WiFi Temperature Humidity Sensor with External Probe for Smart Home Smart Life APP Monitoring For Aquarium Winery Plants
£11.39
NONE
Industrial Safety Light Curtain Sensor - 8-14 Beam Infrared Grating 20/40mm Resolution NPN Protection Switch
£29.37