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Security System Sensors

Shop the best prices on 10,123 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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9,697 - 9,728 of 10,123
USB Fingerprint Reader 0.05s Login Security 360Degree Sensors Login For Window11/10/8/7 Hello Desktop Laptop Logins
£35.39
Air Quality Monitor Detector 3 in 1 Accurate for CO2 Temperature Humidity NDIR Sensor Carbon Dioxide Meter Concentration Tester with Alarm
£54.00 Save £65.00 RRP: £119.00
Elderly Older Old Man Gps+wifi Position Swimming Heart Rate Sos App Remote Monitor Call Smart Band Watch Bracelet Smartband
£139.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
£66.31 Save £74.77 RRP: £141.08
Wireless Welcome Doorbell Entry Alarm W/sensor Voice Prompter Antitheft For Home Store Hotel Ac100v240veu Plug
£149.00
Infrared Fence Alarm Smart Variable Frequency Human Body Sensing Light Grating Curtain Detector 833VDC 60 Meter / 196.9ft
£84.00 Save £25.00 RRP: £109.00
W100 Smart WiFi Bridge Gateway and Door Sensor Set for Smart Lockboxes, APP Control for Home Office
£54.00 Save £10.00 RRP: £64.00
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
£44.41 Save £22.21 RRP: £66.62
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
£41.45 Save £41.43 RRP: £82.88
Risegun Infrared Beam Sensor Infrared Beam Sensor Intrusion Alarm, Outdoor Dual Beam Infrared Detector, AC12-18V DC12-24V, Long Distance
£45.95 Save £13.05 RRP: £59.00
Environmental Monitoring Alarm GMS 3G 4G LTE Sensor Set 70x88x30mm
£140.17 Save £9.59 RRP: £149.76
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
£41.95 Save £17.05 RRP: £59.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
£49.00 Save £20.00 RRP: £69.00
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
£44.41 Save £18.91 RRP: £63.32
Pedestrian Protection Sensor Pedestrian Collision Sensor for
£46.95
Tuya WiFi/Zigbee Smart Door and Window Sensor Set with Magnetic Alarm for Remote Monitoring via App
£38.95 Save £12.00 RRP: £50.95
Door And Window Alarm Wireless Detectors Anti-theft Magnetic Sensor
£38.47 Save £23.09 RRP: £61.56
4PCS Tuya WiFi Vibration Detector Sensor Wireless Vibration Detector Real-Time Smart Life App Alerts for Home Security
£37.95
100x Window Door Entry Alarm Magnetic Contact Sensor for Home Security BULK
£109.00 Save £30.00 RRP: £139.00
Home Wifi Temperature Sensor With Alarm Function For Freezer And Water Monitoring unbrand
£40.68 Save £17.35 RRP: £58.03
M12 52 Musics Wireless Sensor Welcome Doorbell Shop Entry Detector Alarm With 1 Transmitter 1 Receiv
£32.82 Save £35.88 RRP: £68.70
100Pcs/lot Anti-theft Hard Tag Eas Tag For Store Supermarket Sound Magnetic 58khz Clothing Anti-theft Tags
£159.00
Smart Water Leakage Detector Alarm Alert Auto Shut Off Valve Home Security System DN15
£139.00 Save £150.00 RRP: £289.00
GMS 3G 4G LTE Environmental Alarm w/ AM2301 Temp Humidity Sensor
£126.58 Save £19.92 RRP: £146.50
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£37.58 Save £26.22 RRP: £63.80
2025 Latest Model WiFi Door Alarm Window Sensor Detector Smart Home Security Tuya SmartLif
£49.68 Save £44.22 RRP: £93.90
Door Window Alarms, Adjustable Volume, Door Window Alarm Sensor
£64.00 Save £20.00 RRP: £84.00
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
£36.16 Save £36.15 RRP: £72.31
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Intelligent Linkage Smart Home Security
£59.00 Save £70.00 RRP: £129.00
5-24VDC PIR Sensor 24 Steps Stair Light Controller ES24 SPI
£49.95 Save £4.05 RRP: £54.00
Light Curtain Sensor Switch Safety Light Grating Security Device DC24V(10 Beams BEM104030NB)
£129.00 Save £10.00 RRP: £139.00
Door Sensor Alarm 0 to 6.6yd Infrared Body Induction Remote Control 2W Speaker Motion Sensor Doorbell for Home Warehouse
£51.95 Save £17.05 RRP: £69.00