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$25 to $75 Security System Sensors

Shop the best prices on 93 great value $25 to $75 security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Smart Things and Yale. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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1 - 32 of 93
Advanced Indoor Air Quality Tester with WiFi, 9-in-1 Sensor for Temperature, Humidity, CO2 Monitoring, Allergy Relief, White
$59.00 Save $25.00 RRP: $84.00
XCSDMC7905 Coded Magnetic Switch XCSDMC 2 NC Staggered 5m Cable 5V
$31.95 Save $16.00 RRP: $47.95
Intelligent Surrounding Light Sensors ABS Housing Light Detection Device Indoor Office Use Compact
$35.95 Save $18.05 RRP: $54.00
Set of WiFi door and window sensors for home security with smart app notifications
$36.95 Save $17.05 RRP: $54.00
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
$48.95 Save $25.05 RRP: $74.00
10PCS SW420 Vibration Sensor Module Normally Closed Switch for Motion Detection
$28.95 Save $15.00 RRP: $43.95
Wireless Door Window Alarm with Magnetic Contact Sensor for Remote Home Isolation Monitoring White
$28.95 Save $15.00 RRP: $43.95
Ultrasonic Distance Sensor Pack of 2 SR04T Modules for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $14.00 RRP: $40.95
Zigbee Wireless Window Alarm Sensor for Tuya Living Room And Front Door Security System Status Detector Accessories
$54.00 Save $30.00 RRP: $84.00
Gefriertur Alarm Smart Door Sensor With Voice Alarm For Window, Room, Store, Home, School, Business Security
$74.00 Save $35.00 RRP: $109.00
Wireless Door And Window Sensors With App Alerts Compact Magnetic 2-Pack For Enhanced Security Monitoring
$39.95 Save $19.05 RRP: $59.00
Smart Home Door and Window Sensors for ZigBee, Easy Install, Wireless Connectivity, Compatible with ZigBee Hubs
$33.95 Save $16.00 RRP: $49.95
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
Refrigerator Temperature Sensor Wireless Refrigerator Alarm Temperature Monitoring Indoor Outdoor Compact Measuring Device for Dormitory
$27.95
Yale 3 Pack Yale PIR Motion Detector Sensor for Yale HSA Alarms 433MHz Yale
$64.00
2 Pack Recessed Door Magnetic Contact Sensor Alarm Detector for Home Security 100V
$34.95 Save $19.05 RRP: $54.00
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
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
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
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
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
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
Wireless Door Window Sensor And Control Detector, Rugged Multi-Purpose Security Alarm, Smart Life Compatible
$74.00 Save $35.00 RRP: $109.00
Handhold Anti Recording Detector Anti Theft Wireless Concealed Devices Detector
$29.95 Save $13.00 RRP: $42.95
Set of 25 Rivet Nuts Inserts for Door Alarm Sensors, 2.90X1.60X1.60CM, Compatible with Garage Door Expansion Nut Systems
$28.95 Save $14.00 RRP: $42.95
Ultrasonic Distance Sensor Pack of 2 SR04T for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $14.00 RRP: $40.95
Door and Window Sensors WiFi,Smart Door Open/Closed Detectors for Home Security 2pack(Battery not Included)
$29.95 Save $14.00 RRP: $43.95
Silver OC-60B NC&NO Wired Door Magnetic Contact Sensor, Roller Door Magnetic Reed Switch, Garage Door Alarm System
$28.95 Save $14.00 RRP: $42.95
Vibration Sensor Detection For App Notification Alarm Compatible With Mobile Apps Compact Size
$34.95 Save $17.00 RRP: $51.95