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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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193 - 224 of 244
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
PM2.5 Sensor High-Precision Dust Sensor Compatible with PMS3003 Environmental Sensor D3 for Accurate Air Quality Monitoring
$79.00 Save $40.00 RRP: $119.00
Wireless Vibration Alarm Door Window Open Alarm 120dB Alarm Sound Security Sensor Home Antitheft Alarm for Home Apartment Hotel Garage
$17.95 Save $9.00 RRP: $26.95
Wireless Door and Window Sensor Tuya Zigbee Compatible Magnetic Sensor Smart Home Door Detector Remote Control
$79.00 Save $40.00 RRP: $119.00
Smart Door Window Sensor 1-Set, Smart Home Door Alarm Kit, Door And Window Intrusion Alarm System
$17.95 Save $9.00 RRP: $26.95
For wireless ZigBee sensors for enhanced security door and window alarms
$23.95 Save $11.00 RRP: $34.95
Smart Vibration Sensor for SmartLife App, WiFi Door Opening Detector Alarm, Compatible with Smart Home Systems
$20.95 Save $10.00 RRP: $30.95
Intelligent Vibration Sensor for Door and Window Detection, Real-Time Alerts, Adjustable Sensitivity, Compatible with Tuya Zigbee
$36.95 Save $17.05 RRP: $54.00
Refrigerator Alarm, Open Alarm with Adjustable Voice Notifications Door Close Reminder, Window Sensor Voice Alarm for Household
$23.95 Save $11.00 RRP: $34.95
Fake TV Simulator with Light Sensor – deters burglars by mimicking real TV activity, ensuring home security when you're away. Ref: 2591
$64.00 Save $30.00 RRP: $94.00
433MHz Door Magnetic Contact Wireless Sensor Detection Switch for Home Office Alarm Security
$17.95 Save $9.00 RRP: $26.95
Alarm Touch Sensor Door Alarm 120DB Wireless Anti-Theft Security System with Loud Door Knob for Home Safety
$20.95 Save $10.00 RRP: $30.95
WiFi 2.4G Smart Window/Door Sensor Wireless Alarm for Smart Home
$17.95 Save $9.00 RRP: $26.95
433MHz Door Magnetic Wireless Sensor Detector Switch For Home Garage Alarm Security, Compatible With 433MHz Receivers
$14.95 Save $7.00 RRP: $21.95
Set of 25 Rivet Nuts Inserts for Door Alarm Sensors, 2.90X1.60X1.60CM, Compatible with Garage Door Expansion Nut Systems
$27.95 Save $14.00 RRP: $41.95
Ultrasonic Distance Sensor Pack of 2 SR04T for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $13.00 RRP: $39.95
Door and Window Sensors WiFi,Smart Door Open/Closed Detectors for Home Security 2pack(Battery not Included)
$27.95 Save $14.00 RRP: $41.95
Theft Door Alarm - Compact Vibration Sensor with Loud Sound for Safes, Drawers, Walls, and Home Office Security
$21.95 Save $11.00 RRP: $32.95
100 Meter Dual Beam Photoelectric Infrared Detector for Home Security, Motion Sensor Alarm System, Weather Resistant
$119.00 Save $80.00 RRP: $199.00
Smart Wifi Vibration Sensor For Home Security Door And Window Breakage Detector With Push Notifications
$23.95 Save $11.00 RRP: $34.95
120 dB Wireless Touch Sensor Anti-Theft Security Alarm for Door Knob with Easy Installation and Loud Sound
$18.95 Save $10.00 RRP: $28.95
Hidden door sensor detector window security for home security burglar alarms with low false alarms
$14.95 Save $7.00 RRP: $21.95
Silver OC-60B NC&NO Wired Door Magnetic Contact Sensor, Roller Door Magnetic Reed Switch, Garage Door Alarm System
$27.95 Save $14.00 RRP: $41.95
Door Gap Alarm Window Opening Alarm with Adjustable Voice Warnings Window Sensor, Voice Warning Door Closing Reminder for Garage Cellar
$20.95 Save $10.00 RRP: $30.95
Smart Home Vibration Sensor Door Breakage Detector With Remote WiFi Alarm Zigbee Version Long Battery Life
$84.00 Save $45.00 RRP: $129.00
WiFi Vibration Sensor Alarm And Wireless Vibration Detector RealTime Activity And Shock Detection Black
$21.95 Save $11.00 RRP: $32.95