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Security System Sensors

Shop the best prices on 10,496 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 10,496
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
€54.00 Save €30.00 RRP: €84.00
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
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
High Capacity Battery Surveillances Detectors Not Eavesdropping Tool for Protecting Commercial Secrets & Person Privacy Multicolor
€54.00
Pool alarm for kids safety with wireless door sensor and remote
€43.95 Save €45.05 RRP: €89.00
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
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
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
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
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
Freezer Door Alarm with Time Delay Refrigerator Door Alarms Swimming Pool for
€18.99 Save €12.35 RRP: €31.34
Household Window Home Refrigerator And Freezer Alarm, Door Left Open, Reminders At 30 Seconds
€2.95 Save €14.00 RRP: €16.95
1/4 inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window hwy
€18.45
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
€14.74 Save €11.78 RRP: €26.52
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System
€17.21 Save €17.21 RRP: €34.42
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
€32.85
TUYA WiFi Door and Window Sensor Smart Security Alarms for Alexa Google Home
€13.95 Save €1.00 RRP: €14.95
TUYA WiFi Door and Window Sensor Smart Security Alarms for Alexa Google Home
€13.95 Save €1.00 RRP: €14.95
2Pcs Tuya Smart Temperature Humidity Sensor Zigbee
€18.95
Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
€13.95 Save €30.00 RRP: €43.95
Smart WiFi Door and Window Sensor Wireless Alarm Detector App Control Push Notifications Compact Design Battery Not Included For Home Securit
€15.13 Save €4.54 RRP: €19.67
Tuya Fingerbot Touch Screen Smart Life BLE Wireless Touch Switch Robot Remoter Support Alexa Google
€23.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with H
€10.95 Save €3.00 RRP: €13.95
C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(Black)
€13.69
smart home WiFi thermometer and hygrometer sensor
€54.00
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
€16.95 Save €5.00 RRP: €21.95