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Shop the best prices on 10,750 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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2,113 - 2,144 of 10,750
433MHz Outdoor Waterproof Wireless Infrared Detector Long Range for Home Security Systems Wifi/GSM Alarms
€22.95 Save €11.00 RRP: €33.95
Light Sensor DC 5V 12V USB Wire Night Auto-on Light Sensor Cable for Home Security and Lighting
€6.95 Save €3.00 RRP: €9.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
€10.95 Save €35.00 RRP: €45.95
2 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 Jske
€94.00 Save €10.00 RRP: €104.00
Hidden Camera Detector Portable RF Signal Scanner for Hotels Travel Home Office
€22.95 Save €13.00 RRP: €35.95
25-26 T15 Anti- Camera & GPS Tracker Detector - Wireless RF Signal Scanner for Hidden Devices & Listening Gadgets
€15.95 Save €15.00 RRP: €30.95
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector for Home Security
€16.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
€23.95 Save €9.00 RRP: €32.95
2Pcs Single Infrared Beam IP55 Protection Automatic Infrared Photocell Sensor Alarm for Gate Opener
€16.95 Save €21.00 RRP: €37.95
Door & Window Alarm, Door/Window Sensor, 120Db Touch Handle Anti-Theft Vibration_Feb
€21.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
€17.95 Save €15.00 RRP: €32.95
Athkar Doorbell Device Automatic Magnetic Door Sensors with Alarm for Muslims Family Doorbell Sound Adjustable
€20.95
Wireless Sensor Dolphinbar(Wiimote to PC USB )Connect
€52.95 Save €66.05 RRP: €119.00
125dB Loud Door Window Alarm with Vibration Sensor – Ultra-Slim Design (3 Pack)
€35.95 Save €43.05 RRP: €79.00
HIIXHC Personal Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
€28.95 Save €22.00 RRP: €50.95
Infrared Beam Sensor,1 Pair Single Photoelectric Detector Active IR Alarm Host for Security System
€15.95 Save €13.00 RRP: €28.95
Description: These wireless door/window magnetic sensors are used to protect the opening of both doo
€12.95 Save €4.00 RRP: €16.95
NEO NAS-DS07TM Matter Thread Door Sensor USB Powered Magnetic Smart Home Window Alarm Sensor
€32.95 Save €41.05 RRP: €74.00
Wireless Outdoor Rain Detector with Zigbee Technology for Smart Rain Sensing Solutions
€29.95 Save €29.05 RRP: €59.00
Smart Vibration and Tilt Sensor for Motion Detection Compatible with Zigbee Systems
€27.95 Save €26.00 RRP: €53.95
Antique Wall Mounted Ring Bell Set - 4 Pieces Door Alert System
€25.95 Save €25.00 RRP: €50.95
Smart Home Sensor Cable for Temperature and Humidity Monitoring with RM4 Pro Compatibility
€17.95 Save €16.00 RRP: €33.95
2025 For Smart Mi Home Still Human Presence Sensor Micro-Motion Sensitive Light Sensing Wide Angle Detectable Type-C Cable
€74.00 Save €75.00 RRP: €149.00
JWL-Wireless Door Window Burglar Sensor Alarm 4 Modes Door Open Detectors Freezers Close Reminder Security Protection Alert 26s
€69.00 Save €70.00 RRP: €139.00
25-26 Fridge Door Alarm with Open Door Alert and Adjustable Voice Warnings
€14.95 Save €14.00 RRP: €28.95
26-27 2Pcs IR Beam Detector Burglar Alarm System with Light Sensor for Doors
€59.00 Save €55.00 RRP: €114.00
Tuya Zigbee 3.0 Smart Door Sensor Door Open Closed Detectors Security Protection 26-27s
€17.95 Save €17.00 RRP: €34.95
2026 Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
€129.00 Save €80.00 RRP: €209.00
2025 JWL-Wireless Door Window Burglar Sensor Alarm 4 Modes Door Open Detectors Freezers Close Reminder Security Protection Alert
€48.95 Save €50.05 RRP: €99.00
2x Tuya Smart WiFi Door Sensor Window Sensor Door Magnetic Alarm Detector 26-27s
€26.95 Save €27.05 RRP: €54.00
2026 Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
€47.95 Save €51.05 RRP: €99.00
2025 Wireless Door bell Motion Sensor Home Security Door open alarm Entry Chime
€25.95 Save €26.00 RRP: €51.95