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Shop the best prices on 8,171 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Dirtypigs, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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3,041 - 3,072 of 3,200
Spy Detector Bug Detector Hidden Camera Detector with 4 Levels Sensitivity RF Signal Anti Spy
€169.00 Save €100.00 RRP: €269.00
Reflective Photocell Infrared Sensor By Mirror For Alarm System Door Gate Opener Motor
€64.00 Save €5.00 RRP: €69.00
90dB Smart Siren Alarm, Sound and Light Sensor, App Remote Control, Wireless Home Security Alarm for Zigbee Gateway
€40.95 Save €12.00 RRP: €52.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
€15.95 Save €7.00 RRP: €22.95
10 Sets Recessed Wired Security Window Door Sensor DC100V 10W Magnetic Door Sensor for Access Contro
€31.95
Door Handle Alarm, Extra Loud 120Db Door/Window Sensor Alarm Home Security Alarm Induction Door Alarm Touch Sensor Alarm For Home And Office
€18.95 Save €11.00 RRP: €29.95
IMCBSTT Tuya Smart ZigBee Door Window Sensor Smart Home Wireless Door Detector APP Remote Alarm Works Support Alexa Home
€25.95 Save €15.00 RRP: €40.95
Wireless infrared passage detector with 32 different melodies, white, 1 transmitter and 1 receiver
€31.95 Save €27.05 RRP: €59.00
Door and window sensors 5 pcs. Recessed Wired Door Window Sensor Door Window Alarm Sensor Home Security Alarm System A-CEdition A
€12.95 Save €32.00 RRP: €44.95
130dB Window Glass Break Sensor Alarm Anti-Theft Vibration Detector Alarm for Home Door Security with Low Battery Remind
€35.95
Adhesive Patches for Libre Libre Sensor Covers Waterproof & Sweatproof & Durable 50-piece/set Skin-Friendly for Sensor Blue
€28.95
Adhesive Patches for Libre Libre Sensor Covers Waterproof & Sweatproof & Durable 50-piece/set Skin-Friendly for Sensor Blue
€27.95
Adhesive Patches for Libre Libre Sensor Covers Waterproof & Sweatproof & Durable 50-piece/set Skin-Friendly for Sensor Blue
€27.95
WiFi Door Window Sensor Detector Real Time Record Versatile Smart Linkage Wireless Security Alarm Door Open Contact Sensor for Home
€15.95 Save €10.00 RRP: €25.95
WiFi Door Alarm Sensor With Magnetic Sensor Zigbee Compatible Tuya Smart Home Security Door Sensor
€51.95 Save €27.05 RRP: €79.00
Garage Door Safety Sensors with Infrared Beam Detection, Outdoor Weatherproof Photoelectric Kit
€24.95 Save €12.00 RRP: €36.95
MC38 Door Window Sensor Magnetic Switch for Home Alarm, Normally Closed, Reliable Detection
€25.95 Save €12.00 RRP: €37.95
125dB Door Window Alarm Sensor 2 Pack Black Silver for Home Entry Protection Easy Installation
€54.00 Save €30.00 RRP: €84.00
Zigbee Door Window Sensor with Instant Alerts, Smart Home Contact Sensor for Security, White
€26.95 Save €13.00 RRP: €39.95
5Set/Lot Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm Smart Home Security Protection Door Window Alarm
€10.95
2Pcs - SGP40 SGP40 TVOC ECO2 CO2 Carbon Dioxide Sensor Formaldehyde, Air Quality Monitoring Sensor
€20.95
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
€26.95 Save €42.05 RRP: €69.00
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit
€24.95 Save €21.00 RRP: €45.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magne Edition 0107
€5.95 Save €25.00 RRP: €30.95
Trip Wire on Reusable Reel (5 Pack) - Early Warning Perimeter Defense for All Devices 85FT Line on Easy Wind Reel
€18.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection Support Home Assistant Zigbee2mqtt
€41.95 Save €32.05 RRP: €74.00
Portable Camera Detector Not Watch Device with Detection Adjustable Sensitivity for Invisible Cameras Travel Multicolor
€43.95
Adjustable Camera Detector Detection Not Watch Device Lightweight Portable Security Tool For Office Use Multicolor
€40.95
Portable Vibration Alert System High Decibel 125dB Alarm Instantly Stick On Application Easy Setups Anti Theft Sensors White
€23.95
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance Monitoring
€29.95 Save €13.00 RRP: €42.95
Door Handle Alarm Safety Sensors With 120dB Siren Touch Vibration Detection Three Sensitivity Mode for Home Multicolor
€21.95
Portable Invisible Cameras Detectors 3 Stage Light Scanning Vibration Activate Alarm Not Surveillances Suitable For Hotel White
€19.95