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Security System Sensors

Shop the best prices on 12,849 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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2,817 - 2,848 of 3,200
4 in 1 Function Door Magnetic Sensor Alarm LED Smart Wireless Door Window Alarm for File Cabinet
£6.95 Save £7.00 RRP: £13.95
Door Alarm, Wireless Door Window Contact Sensor For Kids Safety 4 Pcs
£22.95 Save £18.00 RRP: £40.95
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 £22.00 RRP: £37.95
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
£42.95 Save £16.05 RRP: £59.00
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
£33.95 Save £15.05 RRP: £49.00
Vibration Alarm Security Device Export
£30.95 Save £16.00 RRP: £46.95
Door Handle Sensor Alarm, Export-Ready
£32.95 Save £16.05 RRP: £49.00
Magnetic Contact Opening Sensor for Security Systems MC-38 NO
£7.95 Save £4.00 RRP: £11.95
JWL-Wireless Door Window Burglar Sensor Alarm 4 Modes Door Open Detectors Freezers Close Reminder Security Protection Alert 26s
£30.95 Save £33.05 RRP: £64.00
2025 S200 Mini Camera Detector Multifunctional Anti Theft Pocket LED Security Alarm with Flash Light
£25.95 Save £28.05 RRP: £54.00
Wireless Door and Window Alarm with Loud Siren and Magnetic Sensor for Home Security (Pack of 1)
£15.95 Save £9.00 RRP: £24.95
2025 SONOFF DW2 Wifi Wireless Door Window Sensor Open/Closed Detectors e-WeLink APP
£10.95 Save £11.00 RRP: £21.95
Glass Break Detector High Sensitivity Sdjustable Window Alarm Glass Break Sensor for Home Security
£12.95 Save £10.00 RRP: £22.95
Wireless Temperature And Humidity Sensor Detector Smart Home Sonoff SNZB-02P
£21.95
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
£34.95 Save £94.05 RRP: £129.00
Pack Wireless Home Security Window Open Magnetic Sensor Burglar Alert for Home Garage Apartment Security
£45.95 Save £23.05 RRP: £69.00
10Pcs Metal Induction Switch 3 Wire NPN NO Capacitive Limit Sensor Detector LJ12A3-2-Z/BX
£43.95 Save £55.05 RRP: £99.00
90db Wireless Security Alarm Door Window Sensor Magnetic Opening Sensor Enhanced 5Pcs
£8.95
Infrared Sensor Doorbell Sensitive Wireless Store Entry Doorbell Alarm with 1 Receiver US Plug 110 to 240V
£38.95 Save £70.05 RRP: £109.00
Tuya WIFI Temperature Humidity Detector Sensor Smart Link Tuya Multifunction Temperature and Humidi
£22.95
Alarm Bracket, Universal Security Alarm Short Leg Bracket Holder for Wall Mounted PIR Infrared Motion Alarm Detector
£10.95 Save £19.00 RRP: £29.95
1/2/3pcs Doors and Windows Alarm Home Safety Anti-theft Wireless Door Magnetic Sensor Volume Refrigerator Window Open Reminder
£28.95 Save £6.00 RRP: £34.95