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Security System Sensors

Shop the best prices on 10,724 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 - 32 of 10,724
Animal deterrent alarm for wild boar and theft prevention
€25.95 Save €33.05 RRP: €59.00
2025 Upgraded Camera Detector Professional Bug RF Detector Hidden Camera Finder
€82.39 Save €51.08 RRP: €133.47
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
€12.95 Save €6.00 RRP: €18.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
€34.95 Save €12.00 RRP: €46.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
€7.95 Save €5.00 RRP: €12.95
1/4 Inch Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Incl
€19.95 Save €16.00 RRP: €35.95
High Capacity Battery Surveillances Detectors Not Eavesdropping Tool for Protecting Commercial Secrets & Person Privacy Multicolor
€54.00
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
€54.00 Save €30.00 RRP: €84.00
New Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
€7.95 Save €5.00 RRP: €12.95
Plush Horse Riding Stick for Kids with Soft Plush Head, Sturdy Wooden Pole Toy for Balance Development and Active Play
€27.95 Save €26.05 RRP: €54.00
Pool alarm for kids safety with wireless door sensor and remote
€43.95 Save €45.05 RRP: €89.00
E3F-20C1 3mm Laser Beam Photoelectric Switch Trough-beam Infrared Sensors NPN Switchs with LED
€18.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
€11.95
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
€13.95 Save €8.00 RRP: €21.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
€9.95 Save €29.00 RRP: €38.95
1/4 inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window hwy
€18.45
Wireless Door Stop Alarm Stainless Steel Sensitivity Level Sensor Wedge-shaped Portable Home Travel Security Betterlifefg
€22.95
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
€27.59 Save €9.84 RRP: €37.43
Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
€74.00 Save €45.00 RRP: €119.00
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
€12.95 Save €15.00 RRP: €27.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
€12.95 Save €11.00 RRP: €23.95
Abo-20 Infrared Sensor Barrier Detector, Anti-theft Alarm System
€32.95 Save €26.05 RRP: €59.00
Magnetic Security Tag Remover for Clothing - Detacher Tool for Retail Stores & Shops
€69.00
2 Pack White Burglar Alarm Door Window Sensor Wired Anti-theft Contact Detectors Waterproof Professional Quality For Kids Children Safety Diy Protecti
€12.95 Save €66.05 RRP: €79.00
2pcs Security 100db Wireless Door&Window Alarm Vibration Sensor Home
€40.95 Save €73.05 RRP: €114.00
5 Sets Magnetic Reed Switch DC100V Normally Open Closed Recessed Wired Door Window Sensor Switch for Alarm System White
€22.95 Save €7.00 RRP: €29.95
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
€149.00 Save €10.00 RRP: €159.00
M5STACK RFID 2 Unit Mini RFID Reader Sensor WS1850S Radio Frequency for Smart portation -HK819
€25.68 Save €9.98 RRP: €35.66
Wireless White Door Alarm Sensor High Decibel Security Burglar Alert
€8.95 Save €5.00 RRP: €13.95
Door Alarm Sensor 120db Loud Wireless Door Alarm Hanging Contact Sensor Black Alarm
€9.95 Save €5.00 RRP: €14.95
1080P WiFi Doorbell Camera Security System with Sensor Kit
€149.00 Save €20.00 RRP: €169.00
5 Sets Magnetic Reed Switch DC100V Normally Open Closed Recessed Wired Door Window Sensor Switch for Alarm System White
€19.95 Save €11.00 RRP: €30.95