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Security System Sensors

Shop the best prices on 8,443 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Dirtypigs, Aura and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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161 - 192 of 8,443
Infrared Detector Wired Curtain Human Body Sensor Anti‑Thief Alarm for Household
£17.95 Save £20.00 RRP: £37.95
Infrared Sensor Security Alarm Anti-theft Motion Detectors For Home Guard System
£37.95 Save £36.05 RRP: £74.00
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
£19.90 Save £13.83 RRP: £33.73
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
£15.95
Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Function Modes Alarm, Magnetic Security Sensor, Wireless Home Alarm for Ho
£21.95
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Contact Sensor Switch for Alarm Sy
£18.95 Save £5.00 RRP: £23.95
Ip65 Waterproof Super Bright Led Solar Strobe Warning Light For Driveway Dock Building (2pcs)_red-sfygv
£26.39 Save £34.34 RRP: £60.73
1 Set NO NC Magnetic Door Window Contact Sensor Alarm Reed Switch Fit for GPS Alarm or Other Device with 2 Screws White
£9.76
Smokes Detector for Home Photoelectric WiFi Fire Alarm Wireless Smokes Sensors Alarm Easy Installation Smokes Alarm
£89.38
Surface Mount Wired Nc Door Contact Sensor Alarm For Door Window Cabinets 10pcs
£11.46 Save £7.12 RRP: £18.58
Stair light controller with PIR sensor 32CH ES32
£86.20
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
£21.07 Save £35.88 RRP: £56.95
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
£7.95 Save £1.00 RRP: £8.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
£20.95 Save £5.00 RRP: £25.95
2025 Wireless Window/Door Open 52 Chime Entry Security Alarm Doorbell Magnetic Sensor
£31.68 Save £31.68 RRP: £63.36
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
£37.08 Save £18.54 RRP: £55.62
Wireless Home Alarm Kit,WiFi Door Window Sensor,Smart Door,Phone Notification,Work with Smart Life app
£24.35 Save £19.47 RRP: £43.82
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
£63.56 Save £50.85 RRP: £114.41
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
£35.95 Save £7.19 RRP: £43.14
Wifi Door And Window Sensor Wireless Door Window Status Detector
£28.12 Save £8.50 RRP: £36.62
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
£27.35 Save £21.87 RRP: £49.22
2025 DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
£14.71 Save £14.71 RRP: £29.42
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
£11.95 Save £2.00 RRP: £13.95
SNZB-04P Zigbee Door and Window Sensor
£13.95 Save £2.00 RRP: £15.95
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
£29.95 Save £14.00 RRP: £43.95
SSRGV Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
£11.95 Save £6.00 RRP: £17.95
Magnetic Clothing Security Tag Remover, Hard Security Tag Detacher For Retail Stores unbrand
£7.44 Save £4.02 RRP: £11.46
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
£7.74 Save £9.29 RRP: £17.03
Wireless Door and Window Vibration Sensor Alarm 125dB White
£8.95 Save £2.00 RRP: £10.95
Alarm Gate Fence Trips Line Wire 12G Blank Firer Intruder Alarm Safety Switch suitable for
£30.95 Save £11.00 RRP: £41.95
Infrared Beam Sensor For Gates, Doors Window - External Alarm Detector
£3.11
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£36.83