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Shop the best prices on 10,630 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, GreenZech, Ydcy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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3,105 - 3,136 of 10,630
For tuya matter thread door window sensor
€59.00 Save €60.00 RRP: €119.00
For Wireless Security Alarm Door Window Sensor 90db 10pcs
€69.00 Save €70.00 RRP: €139.00
For Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic
€53.95 Save €60.05 RRP: €114.00
For Door Window Open Alarm Wireless Remote Control Magnetic Sensor
€35.95 Save €38.05 RRP: €74.00
For Doberman Se0701 Oval Household Antitheft Door And Window Magnetic Spring Sensor Super Loud Simpl
€39.95 Save €44.05 RRP: €84.00
For Door Magnetic Wireless Bell Door And Window Alarms Strong Adhesive Wolfproof Antitheft Alarms
€34.95 Save €39.05 RRP: €74.00
For Zigbee Door Window Sensor For Tuya App Open Entry Smart Security Alarms Compatible With Alexa Go
€52.95 Save €61.05 RRP: €114.00
For Dual Passive Infrared Detector Frequency 433mhz
€41.95 Save €47.05 RRP: €89.00
For Tuya Wifi Door Magnetic Sensor Remote Intelligent Linkage Doors Windows Switch Antialarm App Rem
€50.95 Save €58.05 RRP: €109.00
Door Window Magnetic Sensor WiFi 2.4GHz Wireless Prevent Theft Home Security Alarm White
€22.14 Save €26.57 RRP: €48.71
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor
€30.95 Save €18.00 RRP: €48.95
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat
€25.95
Tuya Smart ZigBee WiFi Door Sensor Wireless Magnetic Door Window Open Closed Det
€13.95
2Pcs IR Alarm Sensor Automatic Beam Detector for Burglar Security System 2025
€54.00 Save €55.00 RRP: €109.00
2025 Wireless Window Alarm 100dB Anti-Theft Magnetic Sensor Alarm
€24.95 Save €24.00 RRP: €48.95
2025 Wireless Home Alarm,door And Window Alarm 4 Modes Magnetic Wireless Sensor
€38.95 Save €40.05 RRP: €79.00
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector For Home Security 2025
€26.95 Save €27.05 RRP: €54.00
2025 10W Zinc Alloy Door & Window Contact Sensor - Responsive NC, for Garage, Warehouse, Shop (100V)
€20.95 Save €20.00 RRP: €40.95
2025 Wireless Home Doors Windows Security Entry Alarm System Pack 6
€19.95 Save €19.00 RRP: €38.95
2025 Tuya Smart ZigBee Door Sensor Door Open / Closed Detectors App Notification
€54.00 Save €55.00 RRP: €109.00
2025 2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
€24.95 Save €24.05 RRP: €49.00
2025 Smart WiFi Door And Window Alarm Sensor, Realtime Smart Door Sensor Sound Alarm, Pool Alarm For Kids Safety, Detector Security Alarm
€12.95 Save €13.00 RRP: €25.95
2025 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
€24.95 Save €24.00 RRP: €48.95
Light Curtain Sensor Switch Safety Light Grating Security Device (12 Beams BEM1240‑A‑440NB)
€159.00 Save €10.00 RRP: €169.00
Door Open Alarm Sensor Super 100 Db Loud Chime For Opens Travel With Led Light And Window
€13.95 Save €3.00 RRP: €16.95
Solar Light Sensors Intelligent Home Automation Light Sensors with Accurate Detection for Outdoor Garden Yard Parking Multicolor
€59.00
Camera Detector Not Invisible Device Adjustable Sensitivity Lightweight Portable Security Tool For Office Multicolor
€42.95
For Sonoff Snzb-04P Replacement Smart Home Door And Window Sensor For Zigbee
€33.95 Save €20.05 RRP: €54.00
2Pcs Infrared Beam Detector, 20m Waterproof Security Sensor for Door/Window Burglar Alarm System
€13.83 Save €31.04 RRP: €44.87
2 Sets Magnetic Door Wired NC NO Normally Open Closed Door Contact Switch for Home Security 100V DC
€8.95 Save €8.00 RRP: €16.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2
€18.95 Save €13.00 RRP: €31.95
3X Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm
€22.95 Save €13.00 RRP: €35.95