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Shop the best prices on 14,622 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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97 - 128 of 3,200
2G Callback Locator Anti-Theft Voice-Activated Sensor Alarm N9 US
€30.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
€25.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
€25.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarms System
€18.95 Save €14.00 RRP: €32.95
WF TP02B GSM Temperature Alarm Controller Remote Control SMS Sensor Monitoring
€109.00 Save €90.00 RRP: €199.00
SSRGV Smart Wifi Door Window Sensor Magnetic Detector Home Security Alarm Voice Control for Google Home
€21.95 Save €11.00 RRP: €32.95
Fingerbot Plus Smart Button Pushers and Accessory Kit with Tool Packs
€46.95 Save €27.05 RRP: €74.00
Infrared Beam Detector for Burglar Alarm, Wireless Security Sensor System
€11.95 Save €6.00 RRP: €17.95
Magnetic Door Window Sensor for Home Security System 130dB Alert Wireless Burglar Alarm Solution Opening Detection Sensor
€21.95 Save €16.00 RRP: €37.95
6-Pack Wireless Window Door Entry Alarm, Mini Magnetic Security Sensor for Home Burglar Protection System
€11.95 Save €6.00 RRP: €17.95
Vehicle Reverse Parking Alert System Sensor Detector
€64.00 Save €45.00 RRP: €109.00
2025 Zigbee Window Door Open Alarm Real Time Remote Control Magnetic Door Sensor
€18.95 Save €18.00 RRP: €36.95
2Pcs Tuya Zigbee Smart Siren Alarm Temperature Humidity Sensor Home Security with Strobe Alerts Works With TUYA Smart Hub 2025
€54.00 Save €55.00 RRP: €109.00
Intelligent Door Magnetic Detector Alarm for Home and Hotel with 433MHz Door Magnetic Induction
€48.95 Save €50.05 RRP: €99.00
CoRui Tuya Smart ZigBee Door Window Sensor Smart Home APP Remote Alarm Portable GPS Tracker Key Finder Tr-Und Fenstersensoren
€11.95 Save €6.00 RRP: €17.95
Magnetic Clothing Hard Tag Remove Security Detacher
€5.95 Save €3.00 RRP: €8.95
8PCS Foot Sensing Strip Sensor Game Console Hand Bar Dance Machine Hand Dance Foot Switch Dance Machine Sensor Strip
€39.95
Wifi PIR Motion Detector Intelligent Infrared Alarm Sensor Anti Theft 110° Wide Angle Detection for Tuya
€16.95 Save €31.00 RRP: €47.95
Door Window Alarm, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (Home Alarm (2 pcs))White
€7.95 Save €5.00 RRP: €12.95
smart home zigbee solar rain sensor wireless for garden
€28.95
Tuya ZigBee WiFi window door sensor wireless magnetic detector
€16.95
Smart home ZigBee WiFi door sensor wireless open close
€25.95
WiFi enabled temperature and humidity sensor for Tuya smart home
€23.95
Light Curtain Sensor Switch Safety Light Grating Security Device DC24V(10 Beams BEM104030NB)
€109.00 Save €60.00 RRP: €169.00
Light Sensor Smart Automatic Adjustment Wireless Connection WiFi Brightness Sensor for Tuya for Living Room Bedroom for Zigbee Type
€23.95 Save €14.00 RRP: €37.95
Trip Wire on Reusable Reel (2 Pack) - Early Warning Perimeter
€10.95
A Pair Normally Closed Magnetic Window Door Safety Alarm Switch Metal Housing
€10.95 Save €5.00 RRP: €15.95
Flashing LED Stop Sensor With Adjustable Stand Auto Parking Detector For Garage Port
€37.95 Save €21.05 RRP: €59.00
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection Support Home Assistant Zigbee2mqtt
€52.95
Tuya WiFi Smart Door Sensor Home Security Protection Smart Life APP Door Window Senso
€19.95
Tuya WiFi Smart Door Sensor Home Security Protection Smart Life APP Door Window Senso
€17.95
Roller Shutter Door Sensor 433MHz Alarm Supermarket Contact Switch Security Magnetic Door Detector
€14.95 Save €9.00 RRP: €23.95