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Security System Sensors

Shop the best prices on 15,193 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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769 - 800 of 3,200
433MHz Outdoor Waterproof Wireless Infrared Detector Long Range for Home Security Systems Wifi/GSM Alarms
£19.95 Save £12.00 RRP: £31.95
2X SONOFF SNZB-04P Zigbee Door and Window Sensor Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Google
£27.95 Save £18.00 RRP: £45.95
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Ho
£21.95 Save £4.00 RRP: £25.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection
£20.95 Save £3.00 RRP: £23.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Ac
£6.95 Save £2.00 RRP: £8.95
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Instal
£8.95 Save £1.00 RRP: £9.95
Glass Break Sensor Detector for Alarm System Wired Glass Break Sensor unbrand
£6.95 Save £5.00 RRP: £11.95
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control unbrand
£18.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B unbrand
£14.95
Tuya WiFi Temperatures Humidity Sensor with External Probe Wireless Temperatures App Monitor for Freezer Fish Tank unbrand
£13.95 Save £9.00 RRP: £22.95
Tuya Zigbee Smart Temperature and Humidity Sensor with LED Screen Display CR2032 Battery for Alexa Google Assistant
£13.95 Save £6.00 RRP: £19.95
2pcs Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
£15.95 Save £4.00 RRP: £19.95
Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm unbrand
£8.95
TL-W5MC1 NPN NO 5mm Inductive Proximity Sensor Detection Switch 3-Wire DC 12-24V
£9.95 Save £12.00 RRP: £21.95
4pcs U-Groove Pulley Roller Guide U Type Wheel for Hardware Doors Windows
£10.95 Save £30.00 RRP: £40.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds, 4 In 1 Door Sensor
£19.95 Save £2.00 RRP: £21.95
Pt Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
£28.95 Save £15.00 RRP: £43.95
Security Burglar Alarm Magnetic Door Window Contact Sensor Alarm Reed Switch
£12.95
Wireless Freezer Door Alarm with 4-in-1 Sensor, 3-60 Second Delay, 108dB Sound for UK Kitchen Safety and Energy Savings
£29.95 Save £9.00 RRP: £38.95
WiFi Door Sensor Ewelink APP Alert Notice Magnetic Window Door Open Closed Alarm Detector For Home Security Use
£30.95 Save £6.00 RRP: £36.95
Infrared + Microwave Sensor Magnetic Sensor Remote Control 11 Ringtones Receiver Free Combination Home Protection Doorway Detect
£30.95 Save £33.05 RRP: £64.00
1pc Tuya Zigbee Smart Home Wireless Door And Window Contact Door Sensor App Control Present
£18.95 Save £35.05 RRP: £54.00
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors w
£13.95 Save £2.00 RRP: £15.95
Alarm Gate Fence Trips Line Wire 12G Blank Firer Intruder Alarm Safety Switch suitable for
£18.95
20PCS PIR Motion Sensor Lens 83084 White Infrared Fresnel Lens for Improved Detection and Longevity
£13.95 Save £6.00 RRP: £19.95
Door Window Alarm Sensor 110dB Loud Siren 4 Modes Battery Operated Magnetic Security 9 Pack
£41.95 Save £22.05 RRP: £64.00
(New) PB-68R Intelligent Wireless Door Window Sensor
£12.95
(New) MC-03 130dB Multi-function Door and Window Anti-theft Alarm with 5 Modes
£14.95
(New) Door Window Magnetic Sensor Anti-entry Security Alarm
£17.95
(New) Tuya WiFi Sound And Light Door Magnetic Doors Windows Alarm Scene Linkage APP Reminder Sound And Light Door Magnetic Sensor
£28.95
(New) DOBERMAN SE-0106 Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
£20.95
(New) N911S Home Door Window Induction Alarm Household Door Magnetic Wireless Anti-Theft Alarm
£16.95