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Security System Sensors

Shop the best prices on 11,318 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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2,593 - 2,624 of 11,318
Light Curtain Sensor Switch Safety Light Grating Security Device(8 Beams BEM0840-C-280NB)
£89.00 Save £30.00 RRP: £119.00
2 Sets Magnetic Reed Switch DC12 to 24V NC Wired Door Window Sensor for Home Security Anti Theft Ala
£20.95 Save £6.00 RRP: £26.95
5 Pack Wired Door and Window Sensors for Home Security Systems, Magnetic Switches with Normal Open Function When AlignedWhite SZRH
£15.95 Save £21.00 RRP: £36.95
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
£69.00 Save £50.00 RRP: £119.00
Freezer Door Alarm When Left Open,fridge Door Alarm With Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
£42.90 Save £15.83 RRP: £58.73
Detector Cage Protector Iron Cover with Durable Wire
£8.95 Save £9.00 RRP: £17.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type)-Good Ydcy
£6.95 Save £7.00 RRP: £13.95
Wireless Door Sensor Magnetic Switch Normally Home Door Window Entry Warning
£20.95 Save £7.00 RRP: £27.95
Rain Snow Sensor,Switch Type 485 Rain and Snow Transmitter Detection Densor
£33.30 Save £15.83 RRP: £49.13
Vibration Alarm Security Device Export
£30.90 Save £15.83 RRP: £46.73
Door Handle Sensor Alarm, Export-Ready
£32.10 Save £15.83 RRP: £47.93
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3-Pack Ultra-Thin Anti-Theft Alarm for Door and Window
£36.59 Save £36.59 RRP: £73.18
Magnetic Contact Opening Sensor for Security Systems MC-38 NO
£7.39 Save £4.44 RRP: £11.83
Door Alarm Sensor with Remote Control 2-Pack, Window Sensors, 2-in-1 Alarm & Chime, 5-Level Volume Control
£22.64 Save £22.65 RRP: £45.29
Door and window alarm, door/window sensor with 120db alarm audible up to 150 m (500 ft) Touch and vibration security alarm
£16.63 Save £16.63 RRP: £33.26
Door and window alarm, door/window sensor with 120db alarm audible up to 150 m (500 ft) Touch and vibration
£15.53 Save £15.53 RRP: £31.06
Door/Window Entry Detectors 120db Loud Door and Window Alarm Home Security Protection Sensor Detector B
£41.21 Save £41.21 RRP: £82.42
90dB Zigbee Sound Light Sensor Smart Siren Compatible with Tuya Life App
£21.95 Save £32.05 RRP: £54.00
2025 Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google
£6.83 Save £6.83 RRP: £13.66
2025 S200 Mini Camera Detector Multifunctional Anti Theft Pocket LED Security Alarm with Flash Light
£25.67 Save £25.67 RRP: £51.34
Tuya Zigbee Wifi Sensor 24ghz Detector Miave Mot Sensor Wireless Huma 2025
£57.60 Save £57.60 RRP: £115.20
Wireless Door and Window Alarm with Loud Siren and Magnetic Sensor for Home Security (Pack of 1)
£15.49 Save £9.30 RRP: £24.79
Door Single Beam Infrared Beam Alarm Waterproof High Sensitivity Infrared Beam Sensors for Schools Homes Black 2025
£12.23 Save £12.21 RRP: £24.44
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
£17.70 Save £17.70 RRP: £35.40
2025 SONOFF DW2 Wifi Wireless Door Window Sensor Open/Closed Detectors e-WeLink APP
£10.74 Save £10.74 RRP: £21.48
Smart WiFi Door Window Sensor, Security Magnetic Sensor Closed Detector
£47.24 Save £9.45 RRP: £56.69
Wireless Door Window Magnetic Sensor Set with Remote, 8.5x4.3x1.6cm White
£13.95 Save £6.00 RRP: £19.95
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
£20.95 Save £28.05 RRP: £49.00
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
£20.95 Save £58.05 RRP: £79.00
Motion Detector Garage Driveway Wireless Alert Secure System Alarm Doorbell White
£34.95 Save £24.05 RRP: £59.00
Door Sensor, Wireless Smart Door Window Alarm, Wireless Security Alarm
£64.00 Save £65.00 RRP: £129.00
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
£34.19 Save £92.49 RRP: £126.68