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Security System Sensors

Shop the best prices on 914 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Yale, Xiaomi, Domos and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

Home Alarm SystemsSafesEmergency PreparednessSecurity Lights & MirrorsFire Alarms & ExtinguishersDetectors
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1 - 32 of 914
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$16.95 Save $8.00 RRP: $24.95
Infrared Beam Sensor 30m Dual Beam IR Detector for Outdoor Perimeter Security Alarm 98ft Range
$59.00 Save $25.00 RRP: $84.00
Door and Window Security Alarm 120dB Loud with 4 Modes Easy Install for Home Apartment Garage
$16.95 Save $7.00 RRP: $23.95
Vibration Sensor For Wireless Door And Window Security Motion Alerts Home Assistant Compatible
$27.95 Save $14.00 RRP: $41.95
Trip Wire Alarm 82ft Tensile Perimeter Security Cord with Reusable Reel for Camping Hunting
$16.95 Save $7.00 RRP: $23.95
Smart WiFi Door Sensor Wireless Window Alarm Compatible with Alexa Google RealTime Alert for Home Business
$20.95 Save $9.00 RRP: $29.95
Wireless Door Window Sensor for LWOHSI A103F A105F A108F A109F Home Security Alarm with Instant Alerts
$16.95 Save $7.00 RRP: $23.95
Portable Door Security Alarm with Fast Response Sensor for Travel, Hotels and Home Use
$16.95 Save $7.00 RRP: $23.95
Wireless Door and Window Alarm 7 Pack, 110dB Loud Home Security Sensor with 4 Modes, Battery Operated
$47.95 Save $21.05 RRP: $69.00
Wireless Window Alarm Sensor - 2-Pack, 4 Modes For Doors, Windows, Refrigerators, Cabinets
$19.95 Save $10.00 RRP: $29.95
Fake TV Simulator with Light Sensor - Home Security Device Imitates TV Activity to Deter Burglars When Away
$69.00 Save $30.00 RRP: $99.00
Freezer Door Alarm Compact Voice Alert Door Sensor For Home, Office, School, And Rooms With Windows
$23.95 Save $12.00 RRP: $35.95
Freezer Door Alarm With Door Opener Sensor And Voice Alert Compact Sensor For Window And Room Home Or Office
$20.95 Save $11.00 RRP: $31.95
Refrigerator Door Alarm And Freezer Alarm | Compact Sensor With Voice Alert For Home, Office, School, Windowed Rooms
$23.95 Save $12.00 RRP: $35.95
Smart WiFi Door and Window Sensor Alarm, RealTime Phone Alerts, No Hub Required, Works with Alexa and Google Assistant
$29.95 Save $15.00 RRP: $44.95
2 Pack Wireless Refrigerator Freezer Door Alarm 108dB Loud Alert with Adjustable Delay Timer 4‑in‑1 Sensor
$44.95 Save $24.05 RRP: $69.00
Window Open Alarm Smart Door Sensor, Loud Voice Reminder, Adjustable Door Latch Warning Device For Refrigerators
$20.95 Save $11.00 RRP: $31.95
Smart Magnetic Contact Sensor ZigBee Compatible, Battery-Powered Security Detector For Home Alarm Real-Time Monitoring
$23.95 Save $12.00 RRP: $35.95
Zigbee Wireless Window Alarm, Home Door Sensor Kit, Remote Control, Zigbee 3.0 Compatible, Living Room Bedroom
$20.95 Save $11.00 RRP: $31.95
Roller Shutter Door Contact Magnetic Sensor Wired NC NO with Bracket Dual Output
$32.95 Save $16.00 RRP: $48.95
Freezer Door Alarm Adjustable Voice Warnings Window Opening Alarm With Window Sensor Door Closing Reminder For Garage Cellar
$20.95 Save $10.00 RRP: $30.95
WiFi Vibration Sensor Smart Life App Compatible RealTime Motion Detection Shock Alarm 3 Sensitivity Levels White
$26.95 Save $14.00 RRP: $40.95
6 Sets 3/4 Inch Metal Flush Mount Door Magnetic Contact Sensor with Reliable Reed Switch
$39.95 Save $24.05 RRP: $64.00
HC52 Magnetic Reed Switch Garage Door Alarm Sensor with Durable Zinc Alloy Housing, 2 Set Silver Gray
$19.95 Save $12.00 RRP: $31.95
60GHz mmWave Radar Human Presence Detection Sensor with Micromovement Sensing for Smart Home
$79.00 Save $40.00 RRP: $119.00
GYBMI160 6DOF Motion Sensor Module, 35V I2C SPI IMU with RealTime Motion Tracking and Precision 6Axis Detection
$45.95 Save $23.05 RRP: $69.00
2X R558S Fingerprint Sensor Module for Access Control, Reliable Capacitive Recognition
$31.95 Save $16.00 RRP: $47.95
Smartthings Multipurpose Sensor, Know If Windows And Doors Are Open, Single Smart Things
$43.95
DC12V 24V Infrared Photocell Sensor Automatic Gate Safety Beam Weatherproof Garage Door Detector 1 Pair
$20.95 Save $11.00 RRP: $31.95
Touchless Infrared Exit Button with Remote Control, Dual LED for Access Control Security System
$17.95 Save $9.00 RRP: $26.95
Garage Door Safety Sensors with Infrared Beam Detection, Outdoor Weatherproof Photoelectric Kit
$22.95 Save $11.00 RRP: $33.95
Wireless Fridge and Freezer Door Alarm with Adjustable Delay Open Chime Alert System, 2 Set
$31.95 Save $16.00 RRP: $47.95