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Security System Sensors

Shop the best prices on 11,676 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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1,697 - 1,728 of 3,200
WiFi Door Sensor, Smart Door Window Sensor,for Alexa Google Assistant,Home Security Door Open,for Business Burglar
From £13.95
4-Pack Magnetic Door Window Alarms, Siren Sensors for Home Office Security & Child Safety
From £6.35
Door and Window Security Alarm, 2-Pack, 120-Decibel Wireless Alarm, Easy to Install
From £8.90
Door Window Opening Alarm (2 Pack), 120dB Wireless Home Security Alarm for Home Seniors Safety
From £11.70
Double Beam Home Security Sensing with 100m Coverage, Weather Resistant Alarm Detector Surveillances Residential Safety Multicolor
From £57.37
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic Switch Easy to Install
From £23.06
Lightweight InfraredPerimeter Detectors Wide Coverage Ranges Flexible Installation for Effective Access Management Multicolor
From £18.65
2pcs Personal Security Window & Door Alarm Bell,wireless Sensor Door Window Burglar Alarm(kui)
From £7.84
2025 Automatic infrared beam detector for home security alarm system - 2pcs
From £10.74
2025 AUBESS Tuya Smart ZigBee 3.0 Smart Temperature And Humidity Sensor Monitoring
From £47.64
Outdoor Long-Range Infrared Detection Sensor for Intrusion Alerts, AC/DC Powered, 100m Range
From £21.20
Zigbee 3.0 Brightness Sensor for Smart Home Lighting Control and Automation
From £38.08
Infrared Door Sensor 940nm Single Beam Photocell Detector 30m Range 12-24V for Home Security White
From £6.16
20m Infrared Beam Sensor Detector for Yard Gate Perimeter Protection Outdoor Home Security Alarm
From £36.95
Alarm for Doors and Windows with Magnetic Sensor 90db
From £23.57
Sound and Light Sensor with 90dB Built-in Siren, Compatible with Tuya Smart Life by NEO
From £30.00
Aluminum 50mm Range Wired Door Sensor
From £23.34
Wireless WiFi Door Alarm Sensor
From £17.34
Waterproof Wireless Door Window Sensor Alarm for Home Security
From £27.60
Door Window Alarm Home Security Wireless Magnetic Sensor Anti-Theft Alarm Sound and Light WiFi Smart Voice Tuya APP Control Easy Installation for Hom
From £42.95
Automatic Obstacle Detection & Alarm - Infrared Photocell Automatic Beam Sensor, DC12-24V, 1 Pair (Transmitter and Receiver) for Garage Doors
From £8.40
Mc-38A Wired Door Window Sensor Magnetic Switch Nc/No Sensor Switch For Home Alarm System Detector Reed Switch
From £9.95
25 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System,When Sensor Together,Normally Closed Nc
From £18.95
3X Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic Door Sensor APP Remote Control
From £19.95
4X Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 800mm
From £104.00
2X Tuya ZigBee SOS Button Sensor Alarm Wireless Emergency Help Switch Alarm Tuya Smart Life Remote Control
From £16.95
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From £54.00
Door Window Contact Sensors for Home Security
From £30.60
R60BMP1 60GHz MmWave Radar Sensor for People Counting & Tracking,Anonymous Accurate Occupancy Counter,for Retail Store
From £69.00
100V 10W Zinc Alloy Magnetic Reed Switch NC Door Window Contact Sensor compatible with Garage Warehouse Shop in Europe
From £11.47
2X Infrared Installation Contactless Infrared Door Lock No Touch Sensor Exit Button IR Door Release DoorbellSwitch B
From £17.95
Wireless Security Alarm, Door Window Sensor, 90db, 5Pcs
From £6.95