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Security System Sensors

Shop the best prices on 15,126 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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1,345 - 1,376 of 3,200
Tuya Zigbee Smart Door Magnet Door and Window Sensor Rechargeable Wireless Smart Door and Window Sensor for Alexa(White)
£12.95 Save £17.00 RRP: £29.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
£7.95 Save £10.00 RRP: £17.95
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor
£7.95 Save £12.00 RRP: £19.95
SmartLife Key Finder | Battery Powered | 1x CR2032 | Batteries included | Bluetooth® verision: 4.0 Nedis
£17.95 Save £3.00 RRP: £20.95
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds
£10.95 Save £15.00 RRP: £25.95
Freezer/Fridge Door Alarm When Left Open Safety Window Alarm 3/15/30/60s Adjustable Delay 4-in-1 Door Sensor Chime_kex3
£14.95 Save £1.00 RRP: £15.95
12V PC CPU Fan Temperature Control PWM Speed Controller Module with Alarm Buzzer Sensor and Plastic Shell
£11.95 Save £6.00 RRP: £17.95
Freestyle Libre Sensor Covers & Sweatproof CGm Sensor Patches - For All Freestyle Libre Sensors 1, 2 & 3 - No Center Placement
£42.95 Save £36.05 RRP: £79.00
Freezer/Fridge Door Alarm When Left Open Safety Window Alarm 3/15/30/60s Adjustable Delay 4-in-1 Door Sensor Chime
£14.95
,4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
£12.95 Save £10.00 RRP: £22.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System Hao
£19.95 Save £59.05 RRP: £79.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
£8.95 Save £40.05 RRP: £49.00
CoRui TUYA Bluetooth Smart Fingerbot for Remote Control in UK Smart Home Systems
£43.95 Save £5.05 RRP: £49.00
Hidden Camera Detectors, Camera Detector, 3-in-1 Hidden Camera Detector, Safeguard your travel, Protect your privacy in all aspects（black）
£29.95 Save £19.05 RRP: £49.00
RUseeN Hidden Camera Detectors, USB Charging Portable Mini Camera Finder for Hotel Bathroom, Locates Hidden Device in Office, Excursions
£19.95 Save £12.00 RRP: £31.95
Tuya Sound Light Sensor Built-in 100DB Siren Alarm Linkage Security Protection Control Via SmartLife APP ZigBee EU Plug
£30.95 Save £118.05 RRP: £149.00
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
£19.95 Save £34.05 RRP: £54.00
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Intrusion Anti-Theft Magnetic Sensor use in Home and unbrand
£13.95 Save £30.00 RRP: £43.95
White Plastic Wired Door Window Sensor Magnetic Switch Home Alarm System Detector NC NC
£26.95 Save £6.00 RRP: £32.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type) Edition 1110
£18.95 Save £21.00 RRP: £39.95
Smart Garage Parking Light with Anti-Collision Sensor 300x200mm LED Alarm System
£33.95 Save £25.05 RRP: £59.00
5pcs Plastic Float Switch P3508 Liquid Level Sensor Controller for Water Tank Swimming Pool - Used in Electricity, Drainage, Level Control, Alarm
£10.95 Save £34.00 RRP: £44.95
Tuya Zigbee 2MQTT Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Detection Strip Smart Linkage
£20.95
Stair light controller with PIR sensor 32CH ES32
£89.00
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type) Ydcy
£5.95 Save £8.00 RRP: £13.95
Infrared Sensor Photocell for Gates Security Gate Motion Detector Security Infrared Sensor
£9.95 Save £8.00 RRP: £17.95
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control
£19.95 Save £17.00 RRP: £36.95
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor
£14.95 Save £13.00 RRP: £27.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
£10.95 Save £10.00 RRP: £20.95
Bluetooth Multifunction Gateway Smart Home Door and Window Sensor Socket Control Center
£34.95
Wireless Temperature And Humidity Sensor Detector Smart Home Sonoff SNZB-02P
£21.95
5V USB Sonoff eWelink Gateway Wifi To 433 Wireless RF Signal Remote Control(White)
£25.95