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Security System Sensors

Shop the best prices on 11,781 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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2,881 - 2,912 of 3,200
6-Pack Wireless Door Window Alarm with Magnetic Sensor for Home Security Entry Protection
From €25.95
Intelligent Magnetic Door Sensor - Wireless, 433MHz, Home Security Alarm, Door and Window Monitoring
From €36.95
Sensitive Motion Detections Trip Alarm Sturdy Nonrust Steel Hiking Security Alarm Ideal For Security Needs Multicolor
From €26.95
Smart WiFi Thermometer with Freezer Alert for Home Temperature Monitoring
From €54.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
From €18.43
Vibration Sensor Alarm for Doors and Windows, High Decibel Theft Alarm for Home or Hotel
From €26.95
3 Pack Perimeter Trip Alarm, 12 Gauge Camping Trip Wire Device,Early Warning Security System for Camping/Bear Deterrent
From €21.95
Wireless Door Window Alarm Sensor 280m Range Entry Chime for Home Security with Magnetic Contact
From €29.95
Door Gate Pool Alarm With Remote Control Wireless Weatherproof Outdoor Sensor Alarm For Inground Pool,fence,home,kids Safety
From €54.00
compatible with All Devices Trip Wire on Reusable Reel (2 Pack) - Early Warning Perimeter Defense 85FT Line
From €49.95
Door and window alarm - Set of 4 wireless burglar alarms - Burglary protection - Magnetic activation - 120 dB high qualityWHBYV
From €21.95
Anti-RFI EMI Filter 12V 24V Photoelectric Beam Sensor
From €36.95
2026 Good!! WiFi Smart Door Sensor Window Wireless Compatible with Alexa, Google Home, Home Alarm Send Alert to Your Smartphone, No Hub Required
From €54.00
2026 Best Window Door Alarms, Personal Security for Kids Safety, Burglar Alert, Door Open Chime Pack of 4
From €59.22
Smart Door Sensor 2 Pack, Wireless Door Alarm with App Alerts, Alexa Google Compatible for Home Security
From €43.95
Waterproof 100pcs 30mm 125KHZ RFID IC Tag Tokens for Guard Tour System NFC Patrol Checkpoints
From €34.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
From €16.95
Wireless Window Door Sensor, Magnetic Contact Switch, AC220V 2500W, Ideal compatible with Extractor Hoods and Home Security EU Plug
From €20.95
Security Burglar Alarm: Magnetic Door Window Contact Sensor Reed Switch
From €14.95
Adjustable Sensitivity Wireless Magnetic Door And Window Alarms With Loud Alerts Sound For Home Security Pet Monitoring Multicolor
From €46.95
Hidden Door Window Sensor With Instant Entry Detection Recessed Magnetic Contact For Security Home
From €20.59
4 Pack 2.4GHz Wireless Door Sensor Door Open Close Status Detection Compatible with Smart Devices
From €56.04
Automatic Power Cut Alarm with 120dB Siren & LED Indicator, Requires 9V Battery
From €18.95
Smart Door and Window Sensor, Tuya App Control, Compatible with Google Home, Alexa, and IFTTT, No Battery Included
From €18.95
Fridge Alarm for Business Compatible with Air Conditioners, Refrigerators, Safes and Security Doors
From €31.95
Door Alarm with Adjustable Voice Warnings for Refrigerators, Security Doors and Safes
From €29.95
Fridge Door Alarm Compatible with Air Conditioners, Safes, Refrigerators and Security Doors
From €29.95
Detector Cover Heavy Duty Protective Cover for Sensors 4Pcs
From €37.95
5X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From €64.00
2X Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From €25.95
6X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From €69.00
2X Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 400mm
From €59.00