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Security System Sensors

Shop the best prices on 10,481 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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353 - 384 of 3,200
Tuya ZigBee Smart Vibration Sensor Door Window Detection Alarm
From £9.95
Pack Door and Window Alarm, Chime, Alarm, Wireless, Door and Window Alarm Sensor for Home, Apartment Security and More
From £30.95
Smart WIFI Door Window Sensor, Security Magnetic Sensor Close Detector, Alexa and Google Home Compatible, Smartphone Notifications and Actions to Othe
From £32.95
Home Security Anti-Theft Alarm Door Sensor with 5Pcs Door Sensors
From £21.95
Detector Guard Iron Wire Mesh for Home Use Silver Cover
From £19.95
4X Camping Perimeter Alarm 125DB Loud Tripwire Motion Sensor Multiple Modes Easy Setup Security_LJL2
From £90.79
Wireless Door Window Burglar Alarm 4 Pack Magnetic 100dB Home Security Intrusion Alert
From £25.74
2-in-1 Multi Door Sensor, Infrared & Radar Safety for Automatic Door Openers
From £142.50
Smart Door Lock Fingerprint Password IC Card Unlocking Keyless Anti-Theft Security System for Home Office Access Control
From £109.00
AC Current Detection Sensor Module 12V Relay Module 5A Overcurrent Protection Switch Output
From £7.95
Wireless Door Opening Contact Sensor Alarm with Buzzer Function
From £28.75
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
From £21.41
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From £46.95
for Raspberry Pi Pico Entry-Level Sensor Kit All-in-One Pico-Sensor-Kit-B
From £84.00
Freezer Door Alarm, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open Alarm Loud 108d
From £28.36
1PCS SONOFF DW2-RF-433MHZ Sensor Door Window Alarm Sensor
From £28.85
2pcs Infrared Beam Detector Automatic IR Alarm Sensor Door Light Alarm Component
From £17.24
Rolling Door Magnetic Contact N.C. Reed Switch Alarm 2 Wire Sensor MC56 2 Set
From £29.99
10PCS MC-38 Wired Door Window Sensor Magnetic Switch NC Normally Closed for Wired WiFi GSM Home Alarm Security System
From £9.95
Wireless Door Window Alarm with Immediate AudioVisual Alert, Battery Powered for Home Security
From £25.19
100M Dual Beam Infrared Security Sensor for Outdoor Perimeter Protection and AllWeather Use
From £34.79
120dB Door Window Alarm 4 Pack with 4 Modes, Easy Install for Home Security and Kids Safety
From £27.59
5Pcs Door Window Magnetic Sensor Wired Contact Switch MC31 NC MC31B NO for Home Security
From £33.59
1 Pair 20m Infrared Beam Sensor Photoelectric Detector for Home Doorway and Outdoor Gate Security
From £16.79
Sensor Elektroweb Mc-38 No w
From £12.95
w 2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
From £59.00
2Pcs Magnetic Door Window Sensor Set Reed Switch Contact for Home Security Alarm White
From £14.39
Infrared Beam Alarm with Accurate Intrusion Detection, Weatherproof Perimeter Security Sensor for Homes
From £16.79
Wireless 433MHz Door Sensor for Smart WiFi GSM Alarm System Home Security Magnetic Contact
From £138.99
10pcs 3 Pin Magnetic Reed Switch 2.5x14mm Glass Green NO NC Convertible for Door Window Sensor
From £38.39
2 Pcs Wired Recessed Door Window Magnetic Contact Sensor, Hidden Reliable Alarm Switch, White
From £13.19
Wireless Door Window Alarm Sensor 3Pack for Home Security Protection, Easy Adhesive Installation
From £22.79