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Shop the best prices on 11,786 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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Loud 130dB Wireless Door Open Detector Magnetic Alarm Sensors For Garage Door Window Real Time Alerts Easy Installation
€19.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door And Window Security Alarm Home--
€17.95 Save €4.00 RRP: €21.95
Refrigerator Freezer Alarm for Door Left Open 60 Second Reminder
€13.95 Save €28.00 RRP: €41.95
MC-31 Door Alarm Window Security Magnetic Door Switch Wired Magnetic Contact Screw-Terminal Reed Switch for Alarm 5Pairs Multicolor
€22.95
MC-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.C Type Multicolor
€11.95
Door Window Sensors Detector Embedded Wired Magnetic Door Window Contact Reed Switch for Home Security Alarm System Multicolor
€11.95
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector, Access Gift
€59.00 Save €70.00 RRP: €129.00
Multifunctional Solar Infrared Sensor Ultrasonic Led Burglar Alarm Animal Repeller For Outdoor Animals
€69.00 Save €15.00 RRP: €84.00
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
€14.95
Photoelectric Beam Sensor with Bracket, NPN Output for Industrial Automation
€15.95 Save €16.00 RRP: €31.95
Tuya Smart ZigBee Sensor Smart Temperature Humidity Detector RSH-ZigBee-HS03
€23.95
Battery Photocell 15m Lnfrared Beam Sensor DC/AC 12-24V Waterproof IP5 Automatic Gate Door Safety Sensor Alarm
€9.95 Save €5.00 RRP: €14.95
Tuya Zigbee Light Sensor Luminance Detector Sensor Smart Home Automation App Control Tuya Light Detector
€12.95 Save €7.00 RRP: €19.95
Movement Sensor Xiaomi MI MOTION SENSOR 2S BHR8995GL Wall mounting Xiaomi
€27.95
Tuya ZigBee Smart Door Sensor Door Open/Closed Wireless Detector Tamper Alarm Security System Work with Alexa Home
€11.95 Save €7.00 RRP: €18.95
433MHz Outdoor Waterproof Wireless Infrared Detector Long Range for Home Security Systems Wifi/GSM Alarms
€23.95 Save €13.00 RRP: €36.95
Glass Break Sensor Detector for Alarm System Wired Glass Break Sensor
€8.95 Save €4.00 RRP: €12.95
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
€13.95 Save €8.00 RRP: €21.95
WIFI TUYA Smart Window Door Sensor Wireless Connection Door Detector Door Open / Closed Alarm- System
€9.95 Save €5.00 RRP: €14.95
433MHz Wireless 2 Beams Active Infrared Detector 60M Sensor Alarm for Outdoor Park Home Security Alarm System
€104.00 Save €65.00 RRP: €169.00
Wired Dual Beam Photoelectric Infrared Sensor Barrier Detector 100M Alarm Tamper Alarm for Park Burglar Alarm System
€29.95 Save €18.00 RRP: €47.95
Tuya Smart ZigBee Sensor Smart Temperature Humidity Detector RSH-ZigBee-HS03
€23.95
Security Window Door Burglar Alarm Bell Anti-theft Wireless Sensor Detector
€1.95
Infrared Sensor Wireless Detector Gsm High Sensitive Security Alarm With Eu Plug For Store Warehouse Factory black
€64.00
Surface Mount Wired Security Window Door Contact Sensor Alarm MC-31 Magnetic Contact Reed Switch White 5 Sets 20x Screws
€20.95
Wireless Door Window Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay
€42.95 Save €26.05 RRP: €69.00
Easily Remove Security Tags with the Magnetic Remover Clothing Hard Tag Detacher - Effortlessly Remove Security Tags for Convenience and Peace of Mind
€37.95 Save €26.05 RRP: €64.00
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
€21.95 Save €22.00 RRP: €43.95
2 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 Jske
€46.95 Save €47.05 RRP: €94.00
Wireless door sensor ZigBee WiFi for smart home security
€24.95
RV Truck Trailer TPMS with 4 External Sensors Solar Powered
€84.00
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
€28.95 Save €24.00 RRP: €52.95