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Security System Sensors

Shop the best prices on 244 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Dahua, TP-Link, Yale and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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1 - 32 of 244
Real Sensor Open Home Detector Color Black Security System Compatible Instant Notifications
$20.95 Save $10.00 RRP: $30.95
Advanced Indoor Air Quality Tester with WiFi, 9-in-1 Sensor for Temperature, Humidity, CO2 Monitoring, Allergy Relief, White
$54.00 Save $30.00 RRP: $84.00
LD6002C 60G Millimeter Wave Radar Sensor FMCW Non-Contact Fall Detection Sensor for Safety Applications
$94.00 Save $55.00 RRP: $149.00
Home Security Magnetic Door Window Sensor Switch, Wired Alarm Contacts, 2-Pack, Hidden Mounting Option, Reliable Detection
$15.95 Save $5.00 RRP: $20.95
Waterproof Dual Beam Sensor Active Infrared Intrusion Detector IR 100m Outdoor Perimeter Wall Barrier Fence for GSM Alarm
$39.95
Door Gap Alarm, Fridge Warning, Adjustable Voice Notifications, Window Sensor, Door Lock Reminder For Garage And Cellar
$20.95 Save $10.00 RRP: $30.95
Refrigerator Door Alarm Voice Alert Sensor With Adjustable Volume, Magnetic Door Warning For Fridge, Freezer, Window
$20.95 Save $10.00 RRP: $30.95
Sensor module for maximizing energy efficiency while allowing delay times after detection.
$21.95 Save $11.00 RRP: $32.95
Intelligent Door Sensors with Remote Control and Voice Command, ABS Window Sensors for Family Security
$209.00 Save $100.00 RRP: $309.00
Tuya Zigbee Door and Window Sensor for Smart Home Security, Real-Time Alerts, Remote Control via Smartlife App
$104.00 Save $55.00 RRP: $159.00
Magnetic Switch NC Normally Closed Waterproof Micro Alarm For Door Window Sensor, High Precision Electronic Component
$24.95 Save $13.00 RRP: $37.95
Set of WiFi door and window sensors for home security with smart app notifications
$34.95 Save $19.05 RRP: $54.00
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
$46.95 Save $22.05 RRP: $69.00
WiFi 2.4G Smart Window and Door Sensor for Wireless Alarm System, App Control Compatible with Home Security Protection
$17.95 Save $9.00 RRP: $26.95
Alarm Buzzer for Windows - Loud Vibration Sensors, Window Safety Alarm System, White Security Sensor for Effective Protection
$18.95 Save $10.00 RRP: $28.95
10PCS SW420 Vibration Sensor Module Normally Closed Switch for Motion Detection
$27.95 Save $14.00 RRP: $41.95
Smart Door/Window Sensor Wireless Real Time Alarm Alexa Google Assistant Compatible Open Contact Sensor
$18.95 Save $10.00 RRP: $28.95
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$21.95
Window alarm sensor: Alarm at decibels, magnetic safety trigger, wireless, portable, doorbell mode for doors and windows
$17.95 Save $9.00 RRP: $26.95
Magnetic door and window sensors, wired security alarm contact switches, 2 pieces.
$14.95 Save $7.00 RRP: $21.95
Ultrasonic Distance Sensor Pack of 2 SR04T Modules for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $12.00 RRP: $38.95
Refrigerator Alarm Adjustable Voice Notifications, Door Close Reminder, Window Sensor, Compact Easy Install For Home
$23.95 Save $11.00 RRP: $34.95
Kuehlschranktuer Alarm Compact Fridge Door Sensor With Voice Alert For Home Office School And Rooms With Windows
$23.95 Save $11.00 RRP: $34.95
Zigbee Wireless Window Alarm Sensor for Tuya Living Room And Front Door Security System Status Detector Accessories
$54.00 Save $25.00 RRP: $79.00
Gefriertur Alarm Smart Door Sensor With Voice Alarm For Window, Room, Store, Home, School, Business Security
$69.00 Save $40.00 RRP: $109.00
Kuhlschranktuer Alarm Open Door Alarm Voice Alarm Sensor For Refrigerator Door Window And Room Security
$23.95 Save $11.00 RRP: $34.95
Wireless Door And Window Sensors With App Alerts Compact Magnetic 2-Pack For Enhanced Security Monitoring
$37.95 Save $21.05 RRP: $59.00
Door Alarm On Opening, Freezer Sensor, Voice Alert, Window And Room Sensor For Home Office School Security
$23.95 Save $11.00 RRP: $34.95
Smart Home Door and Window Sensors for ZigBee, Easy Install, Wireless Connectivity, Compatible with ZigBee Hubs
$31.95 Save $16.00 RRP: $47.95
Freezer Door Alarm With Intelligent Sensor, Voice Alarm, Ajar Reminder For Home, Storefront
$20.95 Save $10.00 RRP: $30.95
Refrigerator Door Alarm Open-Door Alert Compact Sensor With Voice Alarm For Home, Office, School, And Rooms With Windows
$23.95 Save $11.00 RRP: $34.95
Wireless ZigBee Sensors For Door And Window Security Alerts, ZigBee Compatible, Home Automation
$23.95 Save $11.00 RRP: $34.95