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Security System Sensors

Shop the best prices on 12,513 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, Aura, GreenZech 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 3,200
100m Ir Alarm Sensor, Digital Pulse Infrared Sensor Dual Beam Infrared Alarm, Infrared Invisible Sen
£109.00 Save £30.00 RRP: £139.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
£21.95 Save £22.00 RRP: £43.95
WSD500C Tuya Zigbee Temperature Humidity Sensor Abnormal Alarm for Home Office
£25.95 Save £33.05 RRP: £59.00
2Pcs - SGP40 SGP40 TVOC ECO2 CO2 Carbon Dioxide Sensor Formaldehyde, Air Quality Monitoring Sensor
£16.95
Door Alarm, Door Open Sensor with 130dB Loud Alarm, Wireless Door and Window Magnetic Alarm for Doors, Windows and Cabinets, Home, Office
£18.95 Save £45.05 RRP: £64.00
1 Set NO NC Magnetic Door Window Contact Sensor Alarm Reed Switch Fit for GPS Alarm or Other Device with 2 Screws White
£9.95
Tuya Zigbee Door and Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Re
£4.95
Compactly Air Quality Monitoring Device Gas Sensors Module For Home And Office Detects CO2 TVOC With Low Power Design
£19.95 Save £1.00 RRP: £20.95
EWeLink ZigBee Smart Sensor - Battery Powered Temperature and Humidity Monitor for Home Use
£15.95 Save £12.00 RRP: £27.95
Tuya Fingerbot Touch Screen Smart Life BLE Wireless Touch Switch Robot Remoter Support Home Voice Assitant
£18.95 Save £20.00 RRP: £38.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
£11.95 Save £16.00 RRP: £27.95
Wireless infrared passage detector with 32 different melodies, white, 1 transmitter and 1 receiver
£23.95 Save £24.00 RRP: £47.95
Sensor Bar Compatible With Wii, Replacement Wired Infrared Ray Sensor Bar
£1.95 Save £3.00 RRP: £4.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£30.95
DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
£10.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
£14.95 Save £6.00 RRP: £20.95
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
£24.95 Save £6.00 RRP: £30.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher Tw
£9.95 Save £10.00 RRP: £19.95
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Theft Intruder Magnetic Sensor for Home and Child S
£37.95 Save £26.05 RRP: £64.00
Door Contact Sensors Alarm Magnetic Switches for Home Security 110-220V
£14.95
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
£47.95 Save £21.05 RRP: £69.00
Fridge freezer door alarm with 60-second warning, adjustable volume and open sensor
£21.95
2pcs Automatic Infrared Ray Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System S202412
£20.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
£6.95 Save £4.00 RRP: £10.95
Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
£7.95 Save £5.00 RRP: £12.95
Light Sensor DC 5V 12V USB Wire Day Auto-on Light Sensor Cable for Home Security and Lighting
£5.95 Save £3.00 RRP: £8.95
Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 800mm
£28.95 Save £15.00 RRP: £43.95
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
£13.95 Save £7.00 RRP: £20.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
£9.95 Save £5.00 RRP: £14.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
£8.95
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Aqara Gateway Mi Home HomeKit
£64.00
Smart Light Sensor Tuya Smart Home Zigbee Light Sensor Device App Controlled Brightness Detection Detector
£15.95 Save £7.00 RRP: £22.95