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Security System Sensors

Shop the best prices on 8,219 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Dirtypigs, Aura and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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65 - 96 of 8,219
Smart Wireless Sensing Doorbell Waterproof Doorbell Security Alarm Kit for Home Yard with 1 Alarm 2 Sensor 110‑240V
£27.02 Save £16.22 RRP: £43.24
Window Door Alarm Vibration Glass Break Sensor Alarm Battery Powered for Zigbee Yuya Home Security
£21.30 Save £6.40 RRP: £27.70
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door
£16.95 Save £10.00 RRP: £26.95
Sensor Bar Compatible With Wii, Replacement Wired Infrared Ray Sensor Bar
£17.71 Save £17.71 RRP: £35.42
2Pcs - SGP40 SGP40 TVOC ECO2 CO2 Carbon Dioxide Sensor Formaldehyde, Air Quality Monitoring Sensor
£15.95
Smart Door Window Sensor Smart Home Door Detectors Door and Window Burglar Alarms Door Open Alarm
£8.95
WiFi Door Sensor Magnetic Triggered Door Sensor with Phone Notification
£15.95 Save £31.00 RRP: £46.95
PB-69W WIFI Smart Wireless Magnetic Door and Window Sensor
£12.95
Tuya Zigbee Door Window Sensors: Smart Magnetic Sensors for Remote Monitoring and Control with APP Integration
£20.27 Save £17.27 RRP: £37.54
Wifi Door Sensor Tuya Smart Door Window Sensorwireless Window Sensor Real-Time Alarm (1 Pack) Uiamuion
£9.20 Save £2.79 RRP: £11.99
wireless burglar alarm with magnetic sensor for door window
£13.33
Door Window Alarms, Adjustable Volume, Chime/alarm, Door Window Alarm Sensor For Home Security, Kids Safety 4 Pack
£26.66
Tuya WiFi Door Magnetic Sensor Remote Intelligent Linkage Doors Windows Switch Anti-alarm APP Reminder Alarm Tuya Door Magnetic Sensor
£15.95
Wireless door alarm for home security - 10 pack magnetic sensor with window alarm
£16.82 Save £8.42 RRP: £25.24
2025 Solar Strobe Lamp With Ip65 Waterproof Motion Detector Led Solar Alarm With Remote Control, 129db Sound Security Siren
£42.64 Save £42.63 RRP: £85.27
Wireless Driveway Alarm with Infrared Sensor, 70m Range, ABS, 80x76x33mm Receiver
£18.06 Save £7.74 RRP: £25.80
Wireless Home Security Burglar Alarm Magnetic Sensor Door Window Alarm Super Loud Apartment Door Window Pool Alarm Set
£9.65
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Safety 5Pcs
£8.95
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
£10.91 Save £25.23 RRP: £36.14
WiFi smart door magnetic alarm field alarm sensor
£22.95 Save £16.00 RRP: £38.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
£21.06 Save £30.31 RRP: £51.37
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm f26
£6.84 Save £36.54 RRP: £43.38
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor ducer Smart Life Home(
£6.95 Save £2.00 RRP: £8.95
M5STACK RFID 2 Unit Mini RFID Reader Sensor WS1850S Radio Frequency for Smart portation
£10.95 Save £3.00 RRP: £13.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S
£6.95 Save £2.00 RRP: £8.95
NC Type Wired Door Window Magnetic Security Alarm Sensor White
£4.72 Save £2.22 RRP: £6.94
Home Security Timer with TV Simulator and Sensor, EU Plug
£16.50 Save £17.26 RRP: £33.76
TV Simulator with AC Adapter, Anti-Theft Burglar Deterrent, Home Security Timer and Sensor, EU Plug
£30.49 Save £30.49 RRP: £60.98
Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors Cs
£129.61 Save £25.19 RRP: £154.80
Tuya Zigbee 3.0 Door Window Magnetic Sensor Smart Home Wireless Door Open Closed Detector
£103.20
Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
£11.95 Save £7.00 RRP: £18.95
Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
£12.95