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Security System Sensors

Shop the best prices on 10,134 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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545 - 576 of 3,200
Infrared Barrier, 100m Digital Pulse Infrared Sensor, Active Detection, Infrared Beam, Invisible Barrier, Waterproof Alarm (1)
From €92.69
Wireless Magnetic Door Alarm, Super Loud 120dB, Easy-Install Security Sensor
From €20.64
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Safety 10Pcs
From €18.64
5X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
From €29.64
4X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
From €10.64
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage-YuJia
From €14.64
2026 Best Window Alarm Sensors, Door Alarms for Home Security Loud, 120DB Pool Window and Door Alarms for Kids Safety (10 Pack)
From €97.69
White Door Window Magnetic Reed Switch Sensor Contacts
From €27.64
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
From €25.64
Tuya Smart WiFi Door Sensor with Magnet for Window/Door Status Detection and App Alarms
From €122.69
Gyroscope sensor adjusts the steering output of the remote-controlled DIU
From €132.69
12 Gauge Camping Trip Wire Alarm Perimeter Alarm Eary Warning Security System(6 Packs) P2025032600754
From €92.69
2pcs Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door S Edition 0704
From €22.64
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar [jkw]
From €39.64
Outdoor Wired Dual PIR Motion Sensor with Pet Immunity Technology for Security Perimeter Protection
From €67.69
100m Dual Beam Infrared Sensor Pair, Waterproof Outdoor Photoelectric Detector for Home Security
From €122.69
Wireless Door Window Alarm Sensor Compatible with Alarm Host for Smart Home Security Automation Anti-Theft Alarm System
From €10.33
Touchless Exit Button with LED Indicator, 12V 3A Sensor Switch for Access Control System 86mmx86mm Panel
From €28.64
Magnetic Door Contact Sensor Stainless Steel Wired Security Alarm for Rolling Shutter Gates
From €40.64
Suitable for Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)-jc
From €18.64
Automatic Door Safety Sensor Photoelectric Beam for Sliding & Swing Doors - Reliable Photocells
From €45.64
Touch Sensor Alarm, Vibration Door Alarm,120dB Touch Sensor Door Handle Alarm Anti-theft Vibration Window Burglar Alert Home Security
From €12.64
Wireless Window Door Sensor, Magnetic Contact Switch, AC220V 2500W, Ideal for Extractor Hoods and Home Security EU Plug
From €34.64
2026 Best WiFi Smart Door Sensor Window Wireless Compatible with Alexa, Google Home, Home Alarm Send Alert to Your Smartphone, No Hub Required
From €30.64
2025 Wireless Door/Window Entry Security Burglar Sensor Alarm for Smart Home
From €72.69
Zigbee Wired Magnetic Sensor with Lead for Door/Window Opening/Closing Detection Security Alarm Linkage Sensing Device
From €18.64
Door Window Alarm Noopel Home Sensor Burglar 120db Alarm With Batteries Included - Diy Easy To Install 26s
From €62.69
Smart WiFi Door Window Sensor Home Security Alert Magnetic
From €14.64
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Install White
From €23.64
Water Leak Alarm, Water Leak Detector Flood Detector Water Alarm Wireless Water Detector With Alarm Water Leak Alarm
From €39.09
Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft
From €20.36