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Security System Sensors

Shop the best prices on 281 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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193 - 224 of 281
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
WiFi 2.4G Smart Window and Door Sensor for Wireless Alarm System, App Control Compatible with Home Security Protection
$17.95 Save $9.00 RRP: $26.95
Alarm Buzzer for Windows - Loud Vibration Sensors, Window Safety Alarm System, White Security Sensor for Effective Protection
$19.95 Save $9.00 RRP: $28.95
10PCS SW420 Vibration Sensor Module Normally Closed Switch for Motion Detection
$28.95 Save $15.00 RRP: $43.95
Smart Door/Window Sensor Wireless Real Time Alarm Alexa Google Assistant Compatible Open Contact Sensor
$19.95 Save $10.00 RRP: $29.95
Wireless Door Window Alarm with Magnetic Contact Sensor for Remote Home Isolation Monitoring White
$28.95 Save $15.00 RRP: $43.95
Magnetic Switch NC Normally Closed Waterproof Micro Alarm For Door Window Sensor, High Precision Electronic Component
$25.95 Save $13.00 RRP: $38.95
Door Window Magnetic Contact Sensor Brown NC Wired Alarm Switch for Reliable Entry Detection
$14.95 Save $8.00 RRP: $22.95
Wired Door Window Sensor Pair with 330mm Cable for Home Alarm System N.C Magnetic Switch
$14.95 Save $8.00 RRP: $22.95
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$22.95
2 Pack Door Alarm and Window Sensor System with Infrared Detection for Home Office Security
$16.95 Save $8.00 RRP: $24.95
Ultrasonic Distance Sensor Pack of 2 SR04T Modules for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $14.00 RRP: $40.95
Refrigerator Alarm Adjustable Voice Notifications, Door Close Reminder, Window Sensor, Compact Easy Install For Home
$23.95 Save $12.00 RRP: $35.95
Kuehlschranktuer Alarm Compact Fridge Door Sensor With Voice Alert For Home Office School And Rooms With Windows
$24.95 Save $12.00 RRP: $36.95
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
Kuhlschranktuer Alarm Open Door Alarm Voice Alarm Sensor For Refrigerator Door Window And Room Security
$24.95 Save $12.00 RRP: $36.95
Wireless Door And Window Sensors With App Alerts Compact Magnetic 2-Pack For Enhanced Security Monitoring
$39.95 Save $19.05 RRP: $59.00
Door Alarm On Opening, Freezer Sensor, Voice Alert, Window And Room Sensor For Home Office School Security
$24.95 Save $12.00 RRP: $36.95
Smart Home Door and Window Sensors for ZigBee, Easy Install, Wireless Connectivity, Compatible with ZigBee Hubs
$33.95 Save $16.00 RRP: $49.95
Freezer Door Alarm With Intelligent Sensor, Voice Alarm, Ajar Reminder For Home, Storefront
$21.95 Save $10.00 RRP: $31.95
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
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