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Security System Sensors

Shop the best prices on 14,816 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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353 - 384 of 3,200
Smart Wireless Sensing Doorbell Waterproof Doorbell Security Alarm Kit for Home Yard with 1 Alarm 2 Sensor 110‑240V US
£29.95 Save £17.00 RRP: £46.95
100m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security,Black
£36.95 Save £22.05 RRP: £59.00
TV Simulator with AC Adapter, Anti-Burglar Theft Deterrent Home Security Timer & Sensor, EU Plug
£12.95 Save £18.00 RRP: £30.95
Refrigerator and Freezer Alarm for Door Left Open, Reminders at 60 Seconds or More by YuJia
£16.95 Save £26.00 RRP: £42.95
Doorstop Security-Alarm for Home Travel Wireless Vibration Sensor Home Securitys Alarm Burglar With Button
£8.95 Save £6.00 RRP: £14.95
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor
£13.95 Save £21.00 RRP: £34.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door(1PCS)
£12.95 Save £21.00 RRP: £33.95
12V DYP-2HD01 Vibration Sensor for Security Detecting
£13.95 Save £21.00 RRP: £34.95
Tuya WiFi Light Sensor Smart Home Illumination Sensor
£20.95 Save £33.05 RRP: £54.00
Tuya ZigBee Smart Sound and Light Siren Sensor Home Alarm for Tuya
£12.95 Save £19.00 RRP: £31.95
Automatic Infrared Beam Detector IR Alarm Sensor 2pcs for Door Security Burglar Alarm System
£24.95
Tuya Smart Door Window Alarm Sensor Door Magnetic Password Disarm
£20.95 Save £33.05 RRP: £54.00
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (
£11.95 Save £13.00 RRP: £24.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
£11.95 Save £13.00 RRP: £24.95
Tuya Sound Light Sensor Built-in 100DB Siren Alarm Linkage Security Protection Control Via SmartLife
£17.95 Save £21.00 RRP: £38.95
Tuya ZigBee Light Sensor Illumination Sensor Smart Life APP Scenes Linkage Control Smart Switch Bulb
£14.95 Save £22.00 RRP: £36.95
Light Sensor T1 Brightness Sensor Smart Home Lighting Change Controlled for Home
£12.95 Save £20.00 RRP: £32.95
820CB Garage Door Safety Sensor for G801CB-P/801CB for
£11.95 Save £18.00 RRP: £29.95
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
£12.95 Save £20.00 RRP: £32.95
Smart Sensor for Doors and Windows Xiaomi BHR5154GL Xiaomi
£26.95
6 Pcs Remote Door Alarm Door Sensor Chime Door Magnets Alarm Window Alarms Sensors Burglar Alert Security Door Sensor
£21.95 Save £7.00 RRP: £28.95
E3JKR4M1 ABS Housing Specular Reflection Type Photoelectric Switch Sensor(DC1224V 3500mm)
£20.95 Save £25.00 RRP: £45.95
2026 NEW Ultrasonic Ranging Alarm Kits LED Display Design of Reverse Alarm DIY Kit Ultrasonic Sensor Module
£19.95 Save £11.00 RRP: £30.95
TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security Timer and Sensor,EU Pl
£31.95 Save £9.00 RRP: £40.95
Door Handle Alarm, 120db Door Alarm For Home Security, Door And Window Alarm, Door/window Sensor,batteries Not Included Touch Sensor Door Handle Alarm
£22.95
2x Mounting Plate for Nest Cam Flexible Outdoor or Indoor Replacement Blue Zoo
£19.95
Home Alert Wi-Fi Smart Wireless Window Door Sensor Alarm Kit (1-Pack)
£39.95 Save £24.05 RRP: £64.00
Pt Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
£28.95
Magnetic Clothing Hard Tag Remove Security Detacher
£18.95
door handle alarm, door and window alarm touch sensor alarm door and window sensor, 120dB touch sensor anti-theft
£13.95
06j906461d Afh60-37 Mass Air Flow Sensor Meter For A4 Base A5 A6 Cc Golf Vi
£25.95 Save £1.00 RRP: £26.95
Standalone 120DB Siren Sound Alert Door Window Sensor Alarm Chime for Kid Safety Store Home Apartment Garage Security Protection
£19.95 Save £19.00 RRP: £38.95