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Security System Sensors

Shop the best prices on 13,725 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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1,025 - 1,056 of 3,200
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
£20.95 Save £2.00 RRP: £22.95
Temperature Humidity Sensor Zigbee Smart Air Pressure Environment Sensor Smart Home for Mi Home APP
£16.95 Save £8.00 RRP: £24.95
Infrared Beam Sensor for Gates, Doors & Window - External Alarm Detector
£16.95 Save £2.00 RRP: £18.95
Smart Door and Window Sensor Zigbee Wireless Connection Door Open/Closed Detector Work With Tuya Sma
£25.95 Save £7.00 RRP: £32.95
Wireless Mailbox Alarm with 800 Ft Range - Mail Chime Notification System & Mail Alert
£32.95 Save £41.05 RRP: £74.00
Infrared Sensor Alarm, Digital Pulse Infrared Sensor Beam Barrier Home Business
£94.00 Save £15.00 RRP: £109.00
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert wit
£37.95 Save £81.05 RRP: £119.00
2025 2pcs Tuya Smart Temperature And Humidity Sensor Wifi App Remote Monitor For Var Smart Life App Cont
£26.95 Save £27.05 RRP: £54.00
2Pcs Tuya Zigbee Smart Siren Alarm Temperature Humidity Sensor Home Security with Strobe Alerts Works With TUYA Smart Hub 2025
£43.95 Save £45.05 RRP: £89.00
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit 25-26
£24.95 Save £24.05 RRP: £49.00
2025 Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning
£14.95 Save £15.00 RRP: £29.95
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
£50.95 Save £38.05 RRP: £89.00
2025 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
£10.95 Save £11.00 RRP: £21.95
2Pcs Infrared Beam Detector, 20m Waterproof Security Sensor for Door/Window Burglar Alarm System 26s
£12.95 Save £12.00 RRP: £24.95
Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
£12.95
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
£20.95 Save £11.00 RRP: £31.95
Wireless Door Window Sensors 433MHz for Home Security Alarm System Home Burglar Alarm Kits Edition 0923
£40.95 Save £33.05 RRP: £74.00
Matter Thread Door/Window Sensor Compatible With Tuya Smart Home System
£35.95
LQ-698 Tuya Smart Home Wireless Temperature And Humidity Detector Sensor, Need to be used with Gateway (TBD05620685)
£25.95
LQ-698 Tuya Smart Home Wireless Temperature And Humidity Detector Sensor, Need to be used with Gateway (TBD05620685)
£26.95
LQ-698 Tuya Smart Home Wireless Temperature And Humidity Detector Sensor, Need to be used with Gateway (TBD05620685)
£26.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£49.00 Save £35.00 RRP: £84.00
Refrigerator Door Alarm Open Alarm with Adjustable Voice Notifications Window Sensor, Voice Warning Door Lock Reminder for Garage Cellar
£10.95 Save £27.00 RRP: £37.95
3X Sensor Wireless Connectivity User-Friendly App Smart Wifi Temperature and Humidity Sensor for Home Iot Device
£13.95
4X Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection Sensor
£28.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door(2PCS)
£13.95
10X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
£9.95
2X Tuya WiFi Smart Door Window Sensor Home Indoor Door Magnetic Detector Compatible with Alexa & Google Home White
£12.95
5pcs MC-38 Recessed Wired Door Window Sensor Magnetic Switch Home Alarm System
£10.95 Save £3.00 RRP: £13.95
Infrared Beam Sensor Outdoor Waterproof Single Beam Infrared Beam Alarm for Security System Factory
£15.95 Save £5.00 RRP: £20.95
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
£11.95 Save £4.00 RRP: £15.95
LD6001C 60GHz mmWave Radar Sensor Passenger Flow Sensor Module
£43.95