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Security System Sensors

Shop the best prices on 12,846 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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321 - 352 of 3,200
Beam Gate Photocells Infrared Sensor - Garage Gate Blind Safety - 12V/24V AC DC Compatible szrh21
£27.95 Save £31.05 RRP: £59.00
Door Stop Alarm Door Window Burglar Alarm Travel Business Trip Home Hotel Alarm Sensor
£7.95 Save £9.00 RRP: £16.95
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
£69.00 Save £80.00 RRP: £149.00
Car 4 Way Circuit Standard Ato Blade Fuse Box Block Holder 12v/24v+4 Way Fuse
£7.95 Save £28.00 RRP: £35.95
E3JKR4M1 ABS Housing Specular Reflection Type Photoelectric Switch Sensor(AC/DC12240V 3500mm)
£22.95 Save £27.00 RRP: £49.95
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
£16.95 Save £42.05 RRP: £59.00
Door Window Vibration Sensor Alarm 130dB Adjustable Sensitivity Alarm Warehouse Security Sensor for
£16.95 Save £10.00 RRP: £26.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
£10.95 Save £6.00 RRP: £16.95
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced
£12.95 Save £8.00 RRP: £20.95
Tuya ZigBee Door Window Sensor Wifi Smart Home Door Sensor Alarms Wireless Door Magnetic Alarms with
£27.95 Save £16.00 RRP: £43.95
Camera Detector, Gps Tracker Detection, Rf Signal Scanner With 1m-8g Hz Wide Frequency Range And 12 Sensitivity Levels Z tiaog1
£49.00 Save £30.00 RRP: £79.00
Fake TV Simulator with Light Sensor – deters burglars by mimicking real TV activity, ensuring home security when you're away. Ref: 2591
£54.00 Save £25.00 RRP: £79.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
£22.95 Save £12.00 RRP: £34.95
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
£18.95 Save £60.05 RRP: £79.00
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Theft Anti-Intrusion Magnetic Sensor for Home and Ki
£16.95 Save £52.05 RRP: £69.00
PB-68R Intelligent Wireless Door Window Sensor
£8.95
Door & Window Alarm, Door/Window Sensor, 120Db Touch Sensor Door Handle Alarm Anti-Theft Vibration W
£19.95
SM2 WLTE 2 Channel 4G SMS Remote Alarm Controller with APP
£59.00 Save £30.00 RRP: £89.00
Anti-Spy Wireless RF Signal Detector Bug GSM GPS WiFi Tracker Camera Bug Signal Detector Anti-Spy Infrared Scanner
£11.95 Save £6.00 RRP: £17.95
Touchless Infrared Sensor Switch 12V/24V 520CM Detection Range NO/NC Output 0.330s Delay PC ABS White 86x86mm
£21.95 Save £11.00 RRP: £32.95
Intelligent Surrounding Light Sensors ABS Housing Light Detection Device Indoor Office Use Compact
£28.95 Save £15.00 RRP: £43.95
5m Wired Magnetic Door Sensor for Roller Shutter and Garage Doors with NdFeB Lock and Long Life
£11.95 Save £6.00 RRP: £17.95
Sensitivity Vibration Sensor Module with Easy Install Collision Detection Switch for Security
£11.95 Save £6.00 RRP: £17.95
Sensitivity Vibration Sensor Module with Easy Install Collision Detection Switch for Security
£11.95 Save £6.00 RRP: £17.95
8pcs Mini Electret Condenser Microphone for Security System, Waterproof Sensitivity Detection
£11.95 Save £6.00 RRP: £17.95
12V 24V Infrared Sensor Switch with LED, Hands Wall Mounted Access Control Button, White 86x86mm
£15.95 Save £8.00 RRP: £23.95
Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft
£16.95 Save £13.00 RRP: £29.95
2 Sets Magnetic Reed Switch Aluminum Alloy AC220V NC Surfaces Mount Wired Door Window Sensor for Hom
£19.95 Save £10.00 RRP: £29.95
COMPATIBLE Xiaomi Mijia Intelligent Mini Wireless Switch for Xiaomi Smart Home Suite Devices,with the Xiaomi Multifunctional Gateway Use (CA1001)
£29.95
5 Sets Recessed Magnetic Switch DC100V 10W NO NC Door Window Reed Switch for Alarm System Access Con
£18.95 Save £10.00 RRP: £28.95
Automatic IR Security Sensor for Burglar Alarm System 2pcs TroveMart
£39.95 Save £19.05 RRP: £59.00
12V 2A Power Supply Outdoor Waterproof Lightning Protection for Monitor
£9.95 Save £3.00 RRP: £12.95