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Security System Sensors

Shop the best prices on 13,744 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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65 - 96 of 3,200
Smart Light Sensor Tuya Smart Home Zigbee Light Sensor Device App Controlled Brightness Detection Detector
£21.95 Save £12.00 RRP: £33.95
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
£11.95 Save £9.00 RRP: £20.95
Magnetic Clothing Security Tag Remover - Hard Tag Detacher for Retail Stores
£14.95 Save £10.00 RRP: £24.95
TV Simulator with AC Adapter, Anti-Burglar Theft Deterrent Home Security Timer & Sensor, EU Plug
£16.95 Save £17.00 RRP: £33.95
Active Infrared Beam Sensor for Gate Openers, Anti-Theft Access Control Security Alarm System
£7.95 Save £16.00 RRP: £23.95
Magnetic Clothes Security Tag Remover & Detacher for Retail Stores
£34.95 Save £29.05 RRP: £64.00
Wireless Door Window Alarm 4-Pack - 100dB Magnetic Security Alarm for Home Burglary Protection - Anti-Intrusion Sensor
£17.95 Save £16.00 RRP: £33.95
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
£64.00 Save £65.00 RRP: £129.00
Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Automation Work with Smart Life
£8.95 Save £4.00 RRP: £12.95
SONOFF SNZB-01P Zigbee Wireless Switch Smart Scene 2-Way Contol Home Appliance Via EWeLink for Smart Home Works
£12.95 Save £7.00 RRP: £19.95
Trackers Detector Cameras Detectors RF Signal Scanner Detector 25-26
£20.95 Save £21.00 RRP: £41.95
Magnetic Reed Switch NC Contact Sensor, Zinc Alloy for Door Window Garage Warehouse Shop 100V
£139.00 Save £130.00 RRP: £269.00
SONOFF DW2 Wifi Wireless Door Window Sensor Open/Closed Detectors e-WeLink APP 2025
£10.95 Save £11.00 RRP: £21.95
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors 26s
£7.95 Save £8.00 RRP: £15.95
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
£17.95 Save £18.00 RRP: £35.95
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 Jske
£139.00 Save £130.00 RRP: £269.00
Multiple Functional Cameras Detectors Scan Vibration Alarm System Suitable for Individual Privacy Safety White
£16.95
Wireless Door Window Alarm Sensors 120dB Loud Siren Touch Vibration Alerts Three Adjustable Mode Simple Setups Multicolor
£17.95
4X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
£6.95
Vibration Detectors Alarm 125dB High Decibel Sound Easy Setups No Wiring Required Anti Theft Protections System White
£17.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(4PCS)
£17.95
10 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System,When Sensor Together,Normally Closed Nc
£10.95
4 Pcs Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection B
£40.95
Camera Detector Mini Smart Hidden Infrared Anti-Snooping Detector Anti-Peeping Security Lens Detect Gadget White
£16.95 Save £9.00 RRP: £25.95
Door Window Sensor Home Independent Personal Wireless Security Burglar Alarm Bell For Home
£26.95 Save £20.00 RRP: £46.95
120 Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft
£26.95 Save £18.00 RRP: £44.95
Tuya Matter Thread Door Window Sensor USB Powered Smart Home Smart Door Sensor Alarm for Home Security&Automation
£16.95 Save £4.00 RRP: £20.95
Part Brake system Sensors Ultrasonic Anti-theft Alarm Sensor For
£28.95
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
£9.95 Save £12.00 RRP: £21.95
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
£2.95 Save £20.00 RRP: £22.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
£229.00 Save £370.00 RRP: £599.00
Home Security Reinvented, Wired Glass Break Detector, Adjustable Sensitivity Alarm, Tamper Proof Security Sensor for Unmatched Safety
£13.95 Save £8.00 RRP: £21.95