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Security System Sensors

Shop the best prices on 11,426 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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2,113 - 2,144 of 11,426
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
£16.09 Save £1.93 RRP: £18.02
Tuya Zigbee Door Window Sensor A Burglar Alarm Smart Home
£10.95 Save £3.00 RRP: £13.95
Tuya ZigBee Vibration Sensor Smart Home Vibrator
£16.95 Save £4.00 RRP: £20.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
£14.95 Save £5.00 RRP: £19.95
ZigBee Smart Temperature Humidity Light Sensor APP Remote Monitor Intelligent Detector Smart Securi
£18.95 Save £9.00 RRP: £27.95
Alarme de porte de congélateur avec temporisation alarmes de porte de réfrigérateur piscine pour la sécurité des enfants Sécurité à la maison Alarme
£13.95 Save £11.00 RRP: £24.95
Ultra Long Standby Wireless Convenient Alarm Function Infrared Detector Security Tools
£11.42 Save £6.87 RRP: £18.29
Treadmill Security Key, Magnetic Sensor Design for Emergency Stop Functionality
£6.95 Save £7.00 RRP: £13.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
£11.95
SNZB-04P Zigbee Door and Window Sensor
£14.95 Save £1.00 RRP: £15.95
Wireless Front Door Sensor Living Room Loud Sound Security Alarm System Warehouse Store Window Detector Reminder
£12.28
Mini Anti-Lost Whistle Key Finder Wireless Alarm Smart Tag Key Locator Keychain Tracker Whistle Sound LED Light Tracker
£10.67
TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security Timer and Sensor,EU Pl
£9.50 Save £25.88 RRP: £35.38
PA-461 Wired Passive Infrared Curtain PIR Motion Detector Sensor Alarm(White)
£7.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor (6 Sets)
£6.95 Save £1.00 RRP: £7.95
Solar Light Sensors Intelligent Home Automation Light Sensors with Accurate Detection for Outdoor Garden Yard Parking Multicolor
£44.64
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Window Alarm
£14.95 Save £5.00 RRP: £19.95
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
£16.95 Save £4.00 RRP: £20.95
Door Window Alarms, Adjustable Volume, Door Window Alarm Sensor
£32.95 Save £13.00 RRP: £45.95
Infrared Photocell Sensor for Gate Safety - 12V/24V AC -Compatible Garage Door Accessory
£38.62 Save £32.18 RRP: £70.80
Expansion Board Module Kit For Pico W Gpio Expansion Board 4-channel Relay Io Sensor Debugging Module Kit A
£28.04
Loud 140dB Safety Alarm for Personal Protection - Compact and Reliable Security Device
£20.96 Save £20.97 RRP: £41.93
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
£31.95 Save £22.05 RRP: £54.00
Infrared Door Sensor 940nm 30m Detection Range Single Beam Photocell for Gate Safety 12-24V Black Finish
£6.95 Save £15.00 RRP: £21.95
Wireless Vibration Sensor Alarm for Home and Office Automation Control Monitoring System
£9.95 Save £17.00 RRP: £26.95
Advanced Anti-Wild Boar Alarm with Theft Deterrent Capabilities
£25.57 Save £25.57 RRP: £51.14
Tuya Zigbee Smart Door Sensor Rechargeable Wireless Window Alarm
£10.95 Save £17.00 RRP: £27.95
Wired Alarm Garage Door Magnetic Contacts with Adjustable Bracket 2025
£12.95 Save £12.00 RRP: £24.95
2025 Tuya Smart Wifi / ZigBee Temperature Humidity Sensor Monitor for Alexa Google
£25.95 Save £28.05 RRP: £54.00
2026 2Pcs IR Beam Detector Burglar Alarm System with Light Sensor for Doors
£89.00 Save £60.00 RRP: £149.00
120dB Inductive Alarm of Human Body Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft
£16.95 Save £102.05 RRP: £119.00
1 Set NO NC Magnetic Door Window Contact Sensor Alarm Reed Switch Fit for GPS Alarm or Other Device with 2 Screws
£17.95 Save £101.05 RRP: £119.00