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Security System Sensors

Shop the best prices on 13,583 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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1,569 - 1,600 of 3,200
Commercial Grade Wireless Door Chime Sensor with 2 Transmitters and 2 Receivers for Shop Alert__tgu
£26.95 Save £19.00 RRP: £45.95
Convenient Door Sensor Door Open Detection Alarm ABS Door & Window Sensor Simple Install Suitable for Improve Safety Multicolor
£23.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
£15.95
Wireless Security Window/Door Alarm, DIY Burglar Alert with Chime, Easy Install, Compatible with Home, Garage, Apartment, Dorm, RV, Office, White
£11.95 Save £7.00 RRP: £18.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts L Bracket
£7.95 Save £4.00 RRP: £11.95
Smart WiFi Vibration Detection Sensor Sensitivity Alarm App Compatible 2Pack Motion Monitoring
£33.95 Save £17.00 RRP: £50.95
Smart Vibration Sensor For Doors Zigbee 3.0, Compatible with Home Assistant, Adjustable Sensitivity, ZG103ZL
£23.95 Save £12.00 RRP: £35.95
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
£12.95 Save £6.00 RRP: £18.95
Beam Motion Detector Photocell Anti-thief Sensor Beam Beam Infrared Beam Detector ZeGoods ZENGO
£18.95 Save £19.00 RRP: £37.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (
£6.95 Save £3.00 RRP: £9.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Ho
£8.95 Save £2.00 RRP: £10.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Acc
£6.95 Save £2.00 RRP: £8.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10
£12.95 Save £8.00 RRP: £20.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
£13.95 Save £17.00 RRP: £30.95
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
£10.95 Save £6.00 RRP: £16.95
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm
£6.95 Save £3.00 RRP: £9.95
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for EWelink App Control
£9.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
£12.95 Save £12.00 RRP: £24.95
Freezer Door Alarm, Window Security Alarm, Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door
£14.95 Save £32.00 RRP: £46.95
Wireless Home Doors Windows Security Entry Alarm System Pack 6
£18.95
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector, Access Gift
£21.95
Tuya Zigbee Rain Sensor 2-in-1 Light Detector Rainwater Detector
£17.95 Save £8.00 RRP: £25.95
433mhz Door Window Alarm Sensor 25-26
£35.95 Save £38.05 RRP: £74.00
25-26 2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
£45.95 Save £48.05 RRP: £94.00
25-26 Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
£18.95 Save £18.00 RRP: £36.95
25-26 NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
£27.95 Save £31.05 RRP: £59.00
25-26 Tuya Zigbee Smart Door Magnet Door And Window Sensor Rechargeable Wireless Smart Door And Window Se
£33.95 Save £35.05 RRP: £69.00
25-26 2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
£45.95 Save £48.05 RRP: £94.00
25-26 Magnetic Door Switch Recessed Wired Contact Sensor for Window DC100V NC
£10.95 Save £11.00 RRP: £21.95
25-26 Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors
£99.00 Save £70.00 RRP: £169.00
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 £6.00 RRP: £17.95
DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
£28.95