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Shop the best prices on 11,748 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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2,849 - 2,880 of 3,200
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
€29.95 Save €2.00 RRP: €31.95
Laser Garage Auxiliary Parking Device Single Laser Sensor EU PLUG
€37.95 Save €2.00 RRP: €39.95
Zigbee Smart Human Presence Sensor Luminance/Distance Detection
€24.95 Save €1.00 RRP: €25.95
Garage Door Safety Sensor for Linear Garage Doors HAE00002 LSO50
€15.95 Save €1.00 RRP: €16.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor
€12.95 Save €1.00 RRP: €13.95
Tuya Zigbee Solar Light Sensor Waterproof IP65
€34.95 Save €2.00 RRP: €36.95
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
€19.95 Save €1.00 RRP: €20.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
€15.95 Save €1.00 RRP: €16.95
Tuya Intelligent Pressure Sensor for ZigBee Detection 400mm
€37.95 Save €3.00 RRP: €40.95
Trip Wire on Reusable Reel (1 Pack) - Early Warning Perimeter
€16.95 Save €1.00 RRP: €17.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
€33.95 Save €7.00 RRP: €40.95
[New] DY-MC400A WiFi Smart Linkage Home Door and Window Detector, Support Voice Control & APP Remote Control
€23.95
[New] Tuya WiFi Door Magnetic Sensor Remote Intelligent Linkage Doors Windows Switch Anti-alarm APP Reminder Alarm Tuya Door Magnetic Sensor
€25.95
[New] Hotel Camera Anti-Peeping Infrared Detector GPS Positioning Signal Detection Locator WT18
€36.95
[New] YL-333 Wireless Door Window Entry Safety Security Alarm(White)
€11.95
[New] PB-67R Intelligent Wireless Door Window Sensor with Emergency Button
€13.95
[New] DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
€17.95
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm
€24.95 Save €15.00 RRP: €39.95
1/2pcs Wireless Door & Window Magnetic Alarm Sensor Home Security Safety Anti-theft Remote Control
€64.00 Save €35.00 RRP: €99.00
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
€25.95
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_
€16.95 Save €20.00 RRP: €36.95
M8 Commercial Wireless Door Magnet Sensor Chime Welcome Visitor Alert with 2 Transmitter 2 Receiver_c*
€27.95 Save €23.00 RRP: €50.95
4X White Door Window Contacts Magnetic Reed Switch Sensor
€8.95 Save €5.00 RRP: €13.95
Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
€21.95 Save €17.00 RRP: €38.95
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App
€43.95 Save €10.05 RRP: €54.00
Light Curtain Sensor Switch Safety Light Grating Security Device DC24V(10 Beams BEM104030NB)
€109.00 Save €60.00 RRP: €169.00
Door Window Alarms, Adjustable Volume, Chime/Alarm, Door Window Alarm Sensor for Home Security, Kid
€36.95 Save €32.05 RRP: €69.00
Smart ZigBee WiFi door sensor wireless for windows and doors
€27.95
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Intrusion Anti-Theft Magnetic Sensor use in Home and Philipa
€25.95 Save €8.00 RRP: €33.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
€24.95
8pcs Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device f54 Edition 0827
€24.95 Save €24.05 RRP: €49.00
Wireless Security Alarm Window Detector Smart Door Open Contact Sensor Google Assistant for Zigbee
€16.95 Save €37.05 RRP: €54.00