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Security System Sensors

Shop the best prices on 14,390 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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33 - 64 of 3,200
lulshou Signal Detection Infrared Detection Ultra Long Standby High Sensitivity Vibration Sensing Intelligent Detector
£22.95 Save £13.00 RRP: £35.95
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems
£23.95 Save £11.00 RRP: £34.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for WeHere Smart Lockboxes, APP Control for Home Office Security
£49.95 Save £19.05 RRP: £69.00
Wireless Door Stop Alarm Stainless Steel Sensitivity Level Sensor Wedge-shaped Portable Home Travel Security Betterlifefg
£17.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory
£15.95 Save £16.00 RRP: £31.95
R558S Capacitive Fingerprint Acquisition Module Access Control Security Equipment Fingerprint Recognition Module
£19.95 Save £15.00 RRP: £34.95
Door Contact Sensor Alarm Durable Zinc Alloy Responsive Normally Closed 10W 100V Magnetic Reed Switch for Warehouse for Garage
£43.95 Save £45.05 RRP: £89.00
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
£22.95 Save £56.05 RRP: £79.00
Wired Magnetic Sensor - Window Door Alarm Security Detector - Wide Gap
£22.95 Save £56.05 RRP: £79.00
1 Pair Home Security Single Beam Infrared Detector Anti-theft Counterfire Alarm Infrared Sensor
£11.95 Save £37.05 RRP: £49.00
4Pcs Tuya WiFi Smart Temperature Humidity Sensor Indoor Humidity Sensor APP Monitoring for Alexa Google Home Assistant
£23.95 Save £12.00 RRP: £35.95
Tuya ZigBee Smart Vibration Sensor Wireless Glass Break/Drop/Tilt Detector Built-in Smart Siren Alarm for Home Security
£19.95
2pcs Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
£16.95
Sensor Infrared Safety Beam P ocell Detector for Garage Gate / Swing / Sliding Door Access System
£8.95 Save £9.00 RRP: £17.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
£7.95 Save £3.00 RRP: £10.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
£10.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
£6.95
1Pcs Vibration Detector Door Window Vibration Alarm Sensor Home el High Decibel Vibration Induction Anti-Theft Alarm
£8.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
£17.95 Save £16.00 RRP: £33.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
£12.95 Save £12.00 RRP: £24.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
£44.95 Save £24.05 RRP: £69.00
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm_i*
£6.95 Save £13.00 RRP: £19.95
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open_
£12.95 Save £16.00 RRP: £28.95
Glass Break Detectors, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office, Garage, Dorm Room, Or Even RV, White(2 Piece
£26.95 Save £13.00 RRP: £39.95
clearance Wireless Door Alarm with Siren, Magnetic Door and Window Sensor Alarm
£24.95 Save £34.05 RRP: £59.00
Tuya Wifi Light Sensor Intelligent Home Lighting Sensor Link Control Light Sensor Illum
£17.95 Save £9.00 RRP: £26.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£30.95 Save £38.05 RRP: £69.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£38.95 Save £70.05 RRP: £109.00
Glass Break Sensor Detector for Alarm System Wired Glass Break Sensor
£7.95
Smart ZigBee 3.0 Vibration Sensor Monitor Home Security Protection Motion Shock Home Outdoor Wireless Alarm
£12.95
Temperature and Humidity Sensor APP+LCD Dual Display Zigbee Protocol Smart Home Monitoring Device
£12.95 Save £8.00 RRP: £20.95
Smart Door Magnetic Sensor, Mobile App Control, WiFi/ZigBee, Home Security Monitor
£18.95 Save £10.00 RRP: £28.95