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Security System Sensors

Shop the best prices on 12,917 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, GreenZech, Ydcy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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2,945 - 2,976 of 3,200
Tuya WiFi Light Sensor Intelligent Home Illumination Sensor Linkage Control Brightness Sensor Illum-cheng du
£19.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db Jske
£33.95 Save £15.05 RRP: £49.00
Sensor Wireless Connectivity User-Friendly App Smart Wifi Temperature and Humidity Sensor for Home
£7.95 Save £2.00 RRP: £9.95
Safety Light Curtain Sensor 50m Range Anti Theft Light Grating Sensor Security Device AC1218V DC1224V
£33.95 Save £11.00 RRP: £44.95
Tuya Zigbee Temperature and Humidity Sensor Alarm with LED Display for Seedling Fermentation Animal Breeding EU Plug
£30.95 Save £17.00 RRP: £47.95
2X Tuya Zigbee Smart Light and Rain Sensor 2-in-1 Function, Light and Rainwater Detection Smart Life App
£39.95
Tuya Smart Home Sensor ZigBee Temperature and Humidity Sensor App Remote Monitoring Light Sensor Detector
£20.95
Tuya ZigBee Smart Vibration Sensor Wireless Glass Break/Drop/Tilt Detector Built-in Smart Siren Alarm for Home Security
£17.95
100m Digital Pulse Invisible Infrared Sensor Ir Alarm and Dual Beam Detector.
£99.00 Save £40.00 RRP: £139.00
2025 1-10x Tuya Zigbee Mesh Smart Door Sensor Door Open / Closed Detectors Security Protection Smart Life APP Control Via Alexa Google Home
£21.95 Save £12.00 RRP: £33.95
2025 100m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security,Black
£40.95 Save £18.05 RRP: £59.00
2 Pack Wireless Door Window Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay Wireless Door Open Sensor For Child Safety Home Shops ZeGoods ZENGO
£21.95 Save £21.00 RRP: £42.95
Wireless Outdoor Door Window Magnetic Alarm Sensor, Waterproof Burglar Anti-Theft Home Security Monitor
£15.95 Save £48.05 RRP: £64.00
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
£20.95
2X Tuya Zigbee Smart Light and Rain Sensor 2-in-1 Function, Light and Rainwater Detection Smart Life App
£39.95
Infrared Photocell Sensor for Automatic Gates and Doors, 12V Waterproof IR Detection System
£11.95 Save £11.00 RRP: £22.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection
£21.95 Save £3.00 RRP: £24.95
1 Set NO NC Magnetic Door Window Contact Sensor Alarm Reed Switch Fit for GPS Alarm or Other Device with 2 Screws White
£10.95
Air Quality Climate Sensor 5QJ907643 Designed for Better Airflows In Extreme Weather Real Time Monitoring Inside Vehicle
£23.95
Door And Window Security Alarms Wireless Magnetic Sensors Suitable For Home Apartment Family Protective And Child Safety
£15.95
Water Leak Alarm, Water Leak Detector Flood Detector Water Alarm Wireless Water Detector With Alarm Soundwifi Water Leak Alarm Overflow Wifi Fl
£26.95 Save £16.00 RRP: £42.95
Smart Door Sensor Smart Home Door Open/Closed Detector
£35.95 Save £23.05 RRP: £59.00
433mhz Wireless Infrared Detector Alarm 110 Pir Sensor 25kg Pet Immune Security Alarm
£14.95 Save £8.00 RRP: £22.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
£34.95 Save £19.05 RRP: £54.00
Security Window Door Alarm DIY Home Protection Burglar Alert Sensor
£8.95 Save £3.00 RRP: £11.95
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim
£30.95 Save £19.00 RRP: £49.95
Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Automation Work with Smart Life
£11.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
£9.95 Save £2.00 RRP: £11.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume
£12.95 Save £3.00 RRP: £15.95
Tuya Door Window Sensor Wifi, Open Close Detector Home Security System, Smart Life Remote Control
£8.95 Save £2.00 RRP: £10.95
Tuya BLE Fingerbot for Rocker Switch Remote Controller Adjustable Switch Robot with Gateway Support
£28.95 Save £8.00 RRP: £36.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G
£16.95 Save £4.00 RRP: £20.95