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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.

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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
Power Outage Alarm with Automatic Power Detection, Battery Powered 20dB Siren for Home Power Failure Alert
$16.95 Save $7.00 RRP: $23.95
HY-SRF05 SRF05 Ultrasonic Distance Module 5V Ultrasonic Sensor SR04 Replacement
$59.00 Save $25.00 RRP: $84.00
ZigBee Smart Vibration Sensor Real Time Door and Window Detection Alarm Smart Security Protection Sensor
$22.95 Save $11.00 RRP: $33.95
Detector Guard Cover with ImpactResistant Wire Mesh and Secure Clamp for Alarm Sensor Protection
$20.95 Save $9.00 RRP: $29.95
Motion Sensor Outdoor, Automatic Security Sensor For Living Room, Kitchen, Hall, Garden, Terrace, Indoor/Outdoor Use
$22.95 Save $11.00 RRP: $33.95
Alarm Touch Sensor Door Alarm 120DB Wireless Touch Sensor Anti-Theft Security Alarm Loud Door Knob
$19.95 Save $9.00 RRP: $28.95
Compact Vibration Sensor Alarm 125dB Wireless Security Sensor for Door and Window Protection Ultra Thin Design White
$18.95 Save $10.00 RRP: $28.95
4 Pack Door Window Alarm with Magnetic Security Sensor, Loud Battery Powered Home Protection
$20.95 Save $9.00 RRP: $29.95
Tripwire Alarm with Tensile Cord for Camping, Hunting, Farm and Outdoor Perimeter Security
$16.95 Save $7.00 RRP: $23.95
Door Window Security Sensor Normally Closed Magnetic Alarm Beige Surface Mount for Home Safety
$16.95 Save $7.00 RRP: $23.95
Wired Door Contact Sensor 5 Pack White Magnetic Alarm with Secure Screw Mount for Home Office
$26.95 Save $14.00 RRP: $40.95
WiFi Door Sensor and Wireless Window Alarm 3Pack, Smart App Control, Long Battery Life, No Hub Required
$32.95 Save $15.00 RRP: $47.95
Door Window Security Alarm 120dB Magnetic Sensor Wireless SelfAdhesive Intruder Alert 2pcs
$31.95 Save $14.00 RRP: $45.95
Door Window Security Alarm 120dB Loud Ultrathin SelfAdhesive Magnetic Sensor for Home, Garage, Drawer, Glass or Wooden Doors
$16.95 Save $7.00 RRP: $23.95
KM982970 FCU0740 Elevator Infrared Sensor Curtain of Light Module for 3000S Monospace Quick Replacement
$309.00 Save $150.00 RRP: $459.00
Magnetic Reed Switch NC Garage Door Sensor Silver Gray MC52 for Reliable Position Detection
$16.95 Save $7.00 RRP: $23.95
7 Pack 110dB Door and Window Alarm Sensors with 4 Modes for Home Garage Office Security
$47.95 Save $21.05 RRP: $69.00
Movement Sensor Xiaomi MI MOTION SENSOR 2S BHR8995GL Wall mounting Xiaomi
$26.95
Remote Control Smart Home Lighting Smart WiFi Sensor ABS Battery Powered Automation Compatible with Smart Life
$32.95 Save $18.00 RRP: $50.95
1-pack smart door and window sensor for home security
$35.95 Save $18.05 RRP: $54.00
Inductive Cylindrical LongRange Proximity Sensor With Wire Cable Detection Distance
$46.95 Save $22.05 RRP: $69.00
20PCS PIR Motion Sensor Lens 83084 White Infrared Fresnel Lens for Improved Detection and Longevity
$16.95 Save $7.00 RRP: $23.95
Door Window Alarm Sensor 110dB Loud Siren 4 Modes Battery Operated Magnetic Security 9 Pack
$51.95 Save $32.05 RRP: $84.00
Einbruchalarm 130 dB Door and Window Security Sensors for Immediate Alerts on Unauthorized Access
$19.95 Save $10.00 RRP: $29.95
Intelligent Door Monitor Wireless WLAN Window And Door Sensor Smart Home Automation With App Alerts And Magnetic Sensor
$25.95 Save $13.00 RRP: $38.95
Wireless Door Window Sensor with WiFi Alarm, Smart Control for Tuya, Instant Alerts for Home and Kids
$19.95 Save $9.00 RRP: $28.95
RGB Voice Activated Light with Sensitivity Microphone, Rechargeable Paranormal Sensor 8 Modes
$16.95 Save $7.00 RRP: $23.95
Wireless Gate Sensor with Infrared Beam, IP55 Weatherproof, Low Battery Alert for Outdoor Gates
$47.95 Save $26.05 RRP: $74.00
ZigBee Smart Vibration Sensor Real-Time Door And Window Detection Alarm Compatible SmartLife Security Sensor
$22.95 Save $11.00 RRP: $33.95
5 Pack Door Window Alarm with Magnetic Sensor for Smart Home Security and Instant Intrusion Alert
$29.95 Save $17.00 RRP: $46.95
Infrared Beam Sensor Waterproof Single Beam Door Alarm Receiver and Transmitter for Outdoor Security
$19.95 Save $9.00 RRP: $28.95