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Security System Sensors

Shop the best prices on 242 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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161 - 192 of 242
Waterproof Dual Beam Sensor Active Infrared Intrusion Detector IR 100m Outdoor Perimeter Wall Barrier Fence for GSM Alarm
$39.95
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
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
Smart Sensor for Doors and Windows Xiaomi BHR8995GL Wall mounting Xiaomi
$31.95
Smart Sensor for Doors and Windows TP-Link T110 TP-Link
$45.95
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$21.95
Door magnetic contact wireless sensor detection switch suitable for home garage alarm security
$14.95 Save $7.00 RRP: $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 $13.00 RRP: $39.95
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
Magnetic Switch NC Normally Closed Waterproof Micro Alarm For Door Window Sensor, High Precision Electronic Component
$24.95 Save $13.00 RRP: $37.95
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
Refrigerator Door Alarm Freezer Alarm, Compact Sensor With Voice Alert For Home, Office, School, And Rooms With Window
$30.95 Save $15.00 RRP: $45.95
Door Gap Alarm Window Opening Alarm Adjustable Voice Warnings, Magnetic Sensor, Door Closing Reminder For Garage/Cellar
$20.95 Save $10.00 RRP: $30.95
Refrigerator Temperature Sensor Wireless Refrigerator Alarm Temperature Monitoring Indoor Outdoor Compact Measuring Device for Dormitory
$26.95
E3Z-R61 NPN Photoelectric Beam Sensor with Bracket
$28.95 Save $25.05 RRP: $54.00
Yale Pet PIR Motion Detector Sensor Pet Friendly for SR & EF Alarms 868MHz Yale
$19.95
Yale 3 Pack Yale PIR Motion Detector Sensor for Yale HSA Alarms 433MHz Yale
$64.00
120dB Mini Home Alarm Security Door Stop Safety Travel Portable Anti-theft Sensor Stainless Wedge-shaped Alarm
$7.95