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Security System Sensors

Shop the best prices on 10,505 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 Portugal.

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1 - 32 of 10,505
Animal deterrent alarm for wild boar and theft prevention
€25.95 Save €33.05 RRP: €59.00
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
€54.00 Save €30.00 RRP: €84.00
Tuya WiFi Temperatures Humidity Sensor with External Probe Wireless Temperatures App Monitor for Freezer Fish Tank unbrand
€16.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
€37.95 Save €101.05 RRP: €139.00
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
€14.95 Save €4.00 RRP: €18.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
€19.95
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
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
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert wit
€22.95
2025 Upgraded Camera Detector Professional Bug RF Detector Hidden Camera Finder
€82.39 Save €51.08 RRP: €133.47
Pool alarm for kids safety with wireless door sensor and remote
€42.95 Save €41.05 RRP: €84.00
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
€11.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
€9.95 Save €29.00 RRP: €38.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
€12.95 Save €23.00 RRP: €35.95
Household Window Home Refrigerator And Freezer Alarm, Door Left Open, Reminders At 30 Seconds
€2.95 Save €14.00 RRP: €16.95
Freezer Door Alarm with Time Delay Refrigerator Door Alarms Swimming Pool for
€18.99 Save €12.35 RRP: €31.34
1/4 inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window hwy
€18.45
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
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
€31.95 Save €27.05 RRP: €59.00
Magnetic Security Tag Remover for Clothing - Detacher Tool for Retail Stores & Shops
€64.00
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
Small Intelligent Light Sensors with build In Low Battery Alerts Miniature Thread Activated Light Sensors Suitable for Furniture Multicolor
€38.95
M5STACK RFID 2 Unit Mini RFID Reader Sensor WS1850S Radio Frequency for Smart portation -HK819
€25.68 Save €9.98 RRP: €35.66
2025 Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
€20.95 Save €20.00 RRP: €40.95
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