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Shop the best prices on 12,820 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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1,409 - 1,440 of 3,200
suitable for Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces)-YI WU CHUN HUI
€23.95 Save €40.05 RRP: €64.00
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
€19.95
Capacitive touch switch digital touch sensor module 8-channel, digital function
€26.95 Save €11.00 RRP: €37.95
Graffiti Durable Convenient Smart Secure Reliable Smart Door Security Wireless Door Sensor Wireless Sensor Innovative 1 2
€41.95 Save €9.00 RRP: €50.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
€18.95
Door Open Alarm Smart Door Window Sensor Smart Home Door Detectors Door and Window Burglar Alarms
€11.95 Save €2.00 RRP: €13.95
2025 Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door And Window Security Alarm Home
€21.95 Save €22.00 RRP: €43.95
2025 Smart WiFi Door And Window Alarm Sensor, Realtime Smart Door Sensor Sound Alarm, Pool Alarm For Kids Safety, Detector Security Alarm
€13.95 Save €13.00 RRP: €26.95
2025 Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors
€139.00 Save €80.00 RRP: €219.00
Tuya Zigbee 3.0 Smart Door Sensor Door Open Closed Detectors Security Protection 26s
€18.95 Save €18.00 RRP: €36.95
Photoelectric Beam Reflector Square 2Pcs For Outdoor Environments 6.00X4.00X0.70CM Mirror Reflection Technology
€13.95 Save €10.00 RRP: €23.95
2025 4pcs Door and Window Alarm Magnetic Wireless Sensor for Home Security System Child Safety - Anti-Intrusion Anti-Theft Burglary Detectors 120dB Si
€34.95 Save €34.05 RRP: €69.00
SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home 2025
€18.95 Save €18.00 RRP: €36.95
2025 Beam Gate Photocells Infrared Sensor For Gate Garage Blind 12v/24v Ac Dc - -c p
€44.95 Save €44.05 RRP: €89.00
2025 Intelligent Home Light Sensor Upgrades with Instant Monitoring Threaded Light Detection Sensors for Indoor Lighting Control
€25.95 Save €25.00 RRP: €50.95
2pcs Wired Pir Motion Sensor Wide Angle Passive Infrared Detector For Home Burglar Security Alarm Sy
€15.95 Save €14.00 RRP: €29.95
120 Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft SHYTMV
€14.95 Save €7.00 RRP: €21.95
Aubess Tuya Zigbee Door And Window Magnetic Sensor Wireless Connection Smart Home
€99.00 Save €20.00 RRP: €119.00
Waterproof Active Photoelectric Single Beam Infrared Photocells Sensor Barrier Detector for Gate Door Window Black
€23.95
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
€51.95 Save €52.05 RRP: €104.00
4x Utp 4 Channel Passive Video Balun Transceiver
€43.95
Wifi Door Window Sensor App Smart Home Security Protection Door Open Closed Detector For Alexa Yandex
€4.95
Wireless Vibration Door Sensor Anti Theft Drawer Wardrobe 433 Detector for Home Security Alarm
€14.95 Save €14.00 RRP: €28.95
Wifi PIR Motion Detector Intelligent Infrared Alarm Sensor Anti Theft 110 Wide Angle Detection for Tuya
€37.95 Save €36.05 RRP: €74.00
NC Type Wired Door Window Magnetic Security Alarm Contact Sensor Detector Reed Switch
€14.95 Save €14.00 RRP: €28.95
Wired Glass Break Detector Round Door Window Breakin Sensor Tamper Alarm Ceiling/Wall Mount
€27.95 Save €27.00 RRP: €54.95
Window Alarm Sensor Durable ABS Adjustable Sensitivity Remote Battery Powered Glass Break Detector English White
€16.95 Save €17.00 RRP: €33.95
Wired NC Type Magnetic Alarm Door Window Contact Sensor Detector Reed Switch
€15.95 Save €16.00 RRP: €31.95
Infrared Sensor Doorbell Wireless Trigger Alarm Door Entry Welcome Doorbell US Plug 110?240V for Shop Office
€74.00 Save €75.00 RRP: €149.00
120dB Individual Alarm Vibration Sensor Theft Prevention Portable Window Door Security Alarm for Bags Luggage Black
€16.95 Save €16.00 RRP: €32.95
Tuya Wifi Door Magnetic Smart Window Sensor Door Door Detector Smart Home Alarm System for Alexa Assistant
€20.95 Save €13.00 RRP: €33.95
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Alarm With Music 2025
€32.95 Save €31.05 RRP: €64.00