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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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97 - 128 of 244
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
Vibration Sensor Modules 10 Pcs Enhanced Trigger Duration Reliable Output Signals For Vibration Detection Tasks
$15.95 Save $8.00 RRP: $23.95
Blood Glucose Sensor Stickers 10 Pack Waterproof Non Slip Adhesive For Small Electronic Dynamic Sensors
$14.95 Save $7.00 RRP: $21.95
Electric Bike 12 Magnet PAS System Sensor Drop Shape Double Hall Pedal Assist Sensor,Black (1PC)
$17.95 Save $9.00 RRP: $26.95
TUYA Smart Door/Window Sensor, Wireless, Realtime Alarm, Works with Alexa Google
$18.95 Save $10.00 RRP: $28.95
Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security System, Weatherproof, Indoor/Outdoor Use
$59.00 Save $25.00 RRP: $84.00
Smart Zigbee Door Sensor, Wireless Magnetic Alarm for Home Office, Smart App Compatible, Easy Installation
$23.95 Save $11.00 RRP: $34.95
Wireless Door Alarm Sensor with 130dB Output, 4 Alarm Modes for Comprehensive Home Security
$21.95 Save $11.00 RRP: $32.95
Bett Sensor Alarm for Seniors Intelligent Wireless Alarm Bell, EnergyEfficient Call Device for Elderly Adults, Children, and Bedwetters
$36.95 Save $17.05 RRP: $54.00
Magnetic Sensor for Door Window Security, Large Gap Contact Detector Switch, Home Garage Alarm System
$14.95 Save $7.00 RRP: $21.95