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Security System Sensors

Shop the best prices on 13,708 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, SystemHouse Solutions and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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641 - 672 of 3,200
433 Wireless Doorbell Button, Wireless Emergency Call Button, Wireless Button, Burglar Alarm Accessories compatible
From €32.95
315/433 Wireless Emergency Watch, Wireless Emergency Call Button, Wireless Button Anti-theft Alarm Accessories compatible
From €59.00
Smart door magnetic detector, wireless WIFI, home and hotel 433 door magnetic induction alarm, door and window alarm. compatible
From €31.95
Door Window Contact Sensors for Home Security
From €40.95
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
From €22.95
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor
From €18.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Window Alarm
From €15.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
From €33.95
Smart Home Light Sensor T1 with Zigbee 3.0 Brightness Detection for Automation & Control
From €35.95
Tuya Zigbee Vibrat Sensor Intellint Detect Alarm Home
From €28.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
From €25.95
Wire Door Magnetic Switches for Office Home Security Recessed Wire Window Door Contact Sensors Alarm Magnetic Switches White
From €18.95
Vibration Detectors Alarm 125dB High Decibel Sound Easy Setups No Wiring Required Anti Theft Protections System White
From €22.95
Compatible Smart Wifi Temperature and Humidity Sensor for Home Iot Device
From €4.95
Burglar alarm detector for home - 2pcs wired wide angle sensors
From €18.95
2025 4X Trip Wire Alarm Device 12 Gauge Camping Trip Alarm Perimeter Alarm Early Warning Security System
From €119.00
Zinc Alloy Housing Magnetic Reed Switch, Security Wired Rolling Door Contact Alarm System for Garage Shop, Normally Closed or Open Configuration
From €1.95
Wireless Door and Window Magnetic Alarm, Remote Synchronization, 2-Pack, Home Door and Window Security Sensor
From €26.95
2pcs Personal Security Window & Door Alarm Bell,wireless Sensor Door Window Burglar Alarm
From €17.95
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit
From €23.95
​15-Pack Freestyle Libre Sensor Covers - Waterproof Flexible CGM Patches
From €16.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
From €14.95
SONOFF SNZB-04P Zigbee Door Window Sensor Local Smart Scene Linkage Tamper Alert
From €27.95
Zigbee Window Door Open Alarm Real Time Remote Control Magnetic Door Sensor
From €20.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
From €14.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security Timer Sensor 5V British Standard Plug Type
From €15.95
Infrared Beam Sensor,1 Pair Single Photoelectric Detector Active IR Alarm Host for Security System
From €15.95
Car Door Alarm Open Door Alarm Sensor Alert Loud Volume Prompt Small Size Alert Alarm With Electronic Component For SUVs Car
From €25.95
Wireless Door Sensor Alarm Buzzer 3-to-2 Receiver for Entry Alert
From €32.95
Tuya Matter Thread Door Window Sensor Usb Powered Smart Home Wireless Detector Work With Alexa Home
From €18.95
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
From €28.95
Snzb-04p Zigbee Door And Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible With Alexa Home
From €12.95