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Security System Sensors

Shop the best prices on 13,749 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, GreenZech, Ydcy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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1,089 - 1,120 of 3,200
108dB Loud Door Sensor Alarm Security Alarm entry alarm for Office Elderly
£13.95 Save £5.00 RRP: £18.95
2025 Anti Spy RF Detector Bug Detector, Camera Finder Scanner, GPS Tracker Detector, Find and Locate Eavesdropping Device Auto Scan 4-in-1 Detector
£109.00 Save £60.00 RRP: £169.00
2025 Upgraded Camera Detector Professional Bug RF Detector Hidden Camera Finder
£89.00 Save £30.00 RRP: £119.00
Tuya Smart Home ZigBee Temperature and Humidity Sensor Indoor Thermometer Monitor Works for Alexa S
£25.95 Save £8.00 RRP: £33.95
Magnetic Clothing Hard Tag Remove Security Detacher
£6.95 Save £9.00 RRP: £15.95
Smart WiFi Door and Window Alarm Sensor with Open/Close Detection Function, Remote Anti-Theft Alarm
£14.95 Save £3.00 RRP: £17.95
ABS Smart WIFI Infrared Remote Control Aquarium Light Household Appliances Timing Controller
£25.95 Save £33.05 RRP: £59.00
1 Packung WiFi-Türsensor, Fenstersensor, Fenstersensor-Echtzeitalarm, kompatibel mit Google, Home Security-Türöffnungskontaktsensor
£20.95 Save £12.00 RRP: £32.95
Pack Freezer Door Alarm, Window Security Alarm, Wireless Refrigerator Alarm, 4 in 1 Door Sensor Doorbell Door Opening Alarm
£16.95 Save £47.05 RRP: £64.00
Magnetic Door Window Contact Sensor Alarm Wired-Metal Security Burglars Alarm
£11.95
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit
£18.95 Save £14.00 RRP: £32.95
Security Sensor Detector 130DB Smart Tuya Door Window Vibration Alarm for Warning Burglars Intruder Home Security Alarm
£11.95 Save £1.00 RRP: £12.95
Tuya Zigbee Temperature Humidity Sensor Hygrometer Thermometer Detector Smart Life Remote Control Support
£17.95
Wifi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm Eu Plug
£69.00
Door Window Alarms, Adjustable Volume, Door Window Alarm Sensor
£34.95 Save £7.00 RRP: £41.95
Battery Operated Door Sensor Alarm Magnetic Transmitter Replacement Easy Installation for House Shop Office Garage Multicolor
£16.95
Robust Burglar Alarm for Doors & Windows Magnetic Alarm Sensor Plastic for Iron Gate & Doors Protect Your Premises
£20.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation
£21.95
1 set Magnetic Door Sensor Alarm High-Security Door Window Alarm Plastic Suitable for Residential & Commercial Use
£21.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount To Any Doorway, Window
£12.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation
£21.95
1 set Magnetic Door Sensor Alarm High-Security Door Window Alarm Plastic Suitable for Residential & Commercial Use
£21.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation Multicolor
£23.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation
£21.95
Tuya WiFi Door and Window Sensor with Remote Sound, Light Alerts and Password Disarm Feature
£40.95 Save £13.05 RRP: £54.00
2024,4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
£41.95 Save £27.05 RRP: £69.00
Commercial Grade Wireless Door Chime Sensor with 2 Transmitters and 2 Receivers for Shop Alert
£54.00 Save £10.00 RRP: £64.00
TY-192 Tuya Smart Home WiFi Temperature And Humidity Sensor
£32.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db Jske
£23.95 Save £35.05 RRP: £59.00
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
£9.95 Save £27.00 RRP: £36.95
2 Pack Wireless Door Window Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay Wireless Door Open Sensor For Child Safety Home Shops
£21.95 Save £42.05 RRP: £64.00
Smart Door Sensor - Wifi Wireless Window Sensor Real-time Message Notification Compatible With Alexa Yy unbrand
£17.95 Save £10.00 RRP: £27.95