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Shop the best prices on 10,734 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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1,121 - 1,152 of 10,734
Tuya Zigbee Temperature Humidity Sensor Smart Life Remote Monitor for Smart Home Workwith Tuya Zigb
€17.95
Magnetic Door Window Contact Sensor Alarm Wireds Security Home Burglars Alarm Magnetic Switches Easy to Install
€22.95
AC Current Detection Sensor Module 12V Relay Module 5A Overcurrent Protection Switch Output
€8.95 Save €10.00 RRP: €18.95
Freezer Door Alarm When Left Open,fridge Door Alarm With Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
€46.95 Save €47.05 RRP: €94.00
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Ho
€10.95 Save €2.00 RRP: €12.95
Iron Protective Wire Cage Guard For Commercial Users Explosion Prevention And Easy Setup 1Set
€14.95 Save €6.00 RRP: €20.95
Infrared Sensor Variable Frequency 4 Beam IR Barrier Fence Detector Human Body Sensing Safety Grating 8‑33VDC 20m/787.4in 25-26
€99.00 Save €60.00 RRP: €159.00
Tuya Zigbee Smart Door Magnet Door And Window Sensor Rechargeable Wireless Smart Door And Window Se 25-26s
€43.95 Save €45.05 RRP: €89.00
Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google 25-26
€8.95 Save €9.00 RRP: €17.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System 25-26
€69.00 Save €70.00 RRP: €139.00
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security 25-26
€43.95 Save €45.05 RRP: €89.00
Wireless Digital RF Signal Detector High Sensitivity Camera GPS Tracking Tool with 6 Level LED 25-26
€46.95 Save €47.05 RRP: €94.00
Temperature sensor Supports Wi-Fi connection, compatible with Alexa 25-26
€42.95 Save €46.05 RRP: €89.00
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
€26.95 Save €57.05 RRP: €84.00
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for App Control
€8.95 Save €35.00 RRP: €43.95
2024,4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
€59.00 Save €35.00 RRP: €94.00
Security Alarm, 3/15/30/60 Seconds Wireless Alarm, 4 in 1 Door Sensor Doorbell, 108dB Aura
€21.95 Save €32.05 RRP: €54.00
3pcs 433mhz Wireless Door Sensor Door Magnetic Contact Detector Door Sensor Security Alarm Window S
€21.95 Save €11.00 RRP: €32.95
SW420 Precise Vibration Activated Switches Energy Efficient and Seamlessly Integration for Automation Security Systems Multicolor
€11.95
Wireless Door Alarm, Windows Open Alarms,Home Security Sensor
€15.95 Save €9.00 RRP: €24.95
Improved Shock Activated Security Device Loud 125dB Warning Sound Quick Adhesive Installation Anti Tamper Alarm White
€23.95
Door Window Sensor with App Notifications Home Security Alarm Burglar for Enhancing Home Security and Monitoring Multicolor
€45.95
Wireless alarm for doors with remote and sensor chime notification
€39.95 Save €19.05 RRP: €59.00
Wireless door alarm for home security - 10 pack magnetic sensor with window alarm
€22.95 Save €12.00 RRP: €34.95
Home security alarm for doors and windows - 10 pack wireless magnetic sensor
€22.95 Save €12.00 RRP: €34.95
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
€7.95 Save €16.00 RRP: €23.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
€22.95
Smart Wifi Temperature and Humidity Sensor for Home Iot Device
€7.95
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
€119.00 Save €40.00 RRP: €159.00
60GHz Millimeter Wave Radar Sensor FMCW Module for Fall Detection and Elderly Care
€48.95 Save €25.05 RRP: €74.00
Wireless Door Window Contact Sensor Alarm - Door Alarm Window Alarm_CP 25-26
€25.95 Save €26.00 RRP: €51.95
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home
€31.95 Save €18.00 RRP: €49.95