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Shop the best prices on 285 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Yale and Smart Things. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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129 - 160 of 285
Refrigerator Door Alarm Open-Door Alert Compact Sensor With Voice Alarm For Home, Office, School, And Rooms With Windows
$24.95 Save $12.00 RRP: $36.95
Wireless ZigBee Sensors For Door And Window Security Alerts, ZigBee Compatible, Home Automation
$24.95 Save $12.00 RRP: $36.95
Refrigerator Door Alarm Freezer Alarm, Compact Sensor With Voice Alert For Home, Office, School, And Rooms With Window
$31.95 Save $16.00 RRP: $47.95
Door Gap Alarm Window Opening Alarm Adjustable Voice Warnings, Magnetic Sensor, Door Closing Reminder For Garage/Cellar
$20.95 Save $11.00 RRP: $31.95
Refrigerator Temperature Sensor Wireless Refrigerator Alarm Temperature Monitoring Indoor Outdoor Compact Measuring Device for Dormitory
$27.95
Door Handle Alarm with 120dB Touch Sensor, AntiTheft Vibration Trigger for Travel, Kids, Elderly, Bedroom, Hotel Security
$17.95 Save $8.00 RRP: $25.95
Yale Pet PIR Motion Detector Sensor Pet Friendly for SR & EF Alarms 868MHz Yale
$20.95
Yale 3 Pack Yale PIR Motion Detector Sensor for Yale HSA Alarms 433MHz Yale
$64.00
WiFi Vibration Sensor Alarm And Wireless Vibration Detector RealTime Activity And Shock Detection Black
$22.95 Save $11.00 RRP: $33.95
Door Alarm Sensor Window Home Safety Alarms Indoor PIR Motion Infrared Detector USB Rechargeable
$13.95 Save $4.00 RRP: $17.95
Door Open Closed Detector Wireless Mini Magnetic Door Alarm Sensor for Window Garage Home Security
$9.95 Save $4.00 RRP: $13.95
Infrared Gate Opener Sensor Kit with Outdoor Photocell IR Beam for Automatic Garage Door and Access Control
$20.95 Save $10.00 RRP: $30.95
Recessed Wired Door Window Security Sensor with Magnetic Reed Switch White
$14.95 Save $8.00 RRP: $22.95
Wired Door Window Magnetic Sensor Set of 10 Pairs 330mm Cable for Home Alarm N.C Type
$23.95 Save $12.00 RRP: $35.95
2 Pack Recessed Door Magnetic Contact Sensor Alarm Detector for Home Security 100V
$34.95 Save $19.05 RRP: $54.00
Door and Window Alarm Sensor with Remote Control for Home, Travel and Hotel Security
$19.95 Save $10.00 RRP: $29.95
Vibration Sensor Modules 10 Pcs Enhanced Trigger Duration Reliable Output Signals For Vibration Detection Tasks
$15.95 Save $8.00 RRP: $23.95
Zigbee Smart Light Sensor with Wide Lighting Range and App Control for Tuya Smart Home
$35.95 Save $18.05 RRP: $54.00
Touchless Infrared Sensor Switch 12V/24V 520CM Detection Range NO/NC Output 0.330s Delay PC ABS White 86x86mm
$26.95 Save $14.00 RRP: $40.95
XCSDMC7905 Coded Magnetic Switch XCSDMC 2 NC Staggered 5m Cable 5V
$31.95 Save $16.00 RRP: $47.95
Electric Bike 12 Magnet PAS System Sensor Drop Shape Double Hall Pedal Assist Sensor,Black (1PC)
$17.95 Save $9.00 RRP: $26.95
60GHz Millimeter Wave Radar Sensor FMCW Module for Fall Detection and Elderly Care
$46.95 Save $22.05 RRP: $69.00
Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security System, Weatherproof, Indoor/Outdoor Use
$59.00 Save $30.00 RRP: $89.00
Smart Zigbee Door Sensor, Wireless Magnetic Alarm for Home Office, Smart App Compatible, Easy Installation
$23.95 Save $12.00 RRP: $35.95
Wireless Door Alarm Sensor with 130dB Output, 4 Alarm Modes for Comprehensive Home Security
$22.95 Save $11.00 RRP: $33.95
Bett Sensor Alarm for Seniors Intelligent Wireless Alarm Bell, EnergyEfficient Call Device for Elderly Adults, Children, and Bedwetters
$37.95 Save $21.05 RRP: $59.00
Magnetic Sensor for Door Window Security, Large Gap Contact Detector Switch, Home Garage Alarm System
$14.95 Save $8.00 RRP: $22.95
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 Door and Window Sensor Tuya Zigbee Compatible Magnetic Sensor Smart Home Door Detector Remote Control
$84.00 Save $45.00 RRP: $129.00
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
Smart Vibration Sensor for SmartLife App, WiFi Door Opening Detector Alarm, Compatible with Smart Home Systems
$20.95 Save $11.00 RRP: $31.95
Intelligent Vibration Sensor for Door and Window Detection, Real-Time Alerts, Adjustable Sensitivity, Compatible with Tuya Zigbee
$37.95 Save $21.05 RRP: $59.00