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Security System Sensors

Shop the best prices on 110 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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33 - 64 of 110
Window alarm sensor: Alarm at decibels, magnetic safety trigger, wireless, portable, doorbell mode for doors and windows
$17.95 Save $9.00 RRP: $26.95
Yale Pet PIR Motion Detector Sensor Pet Friendly for SR & EF Alarms 868MHz Yale
$20.95
Door magnetic contact wireless sensor detection switch suitable for home garage alarm security
$14.95 Save $8.00 RRP: $22.95
Advanced Indoor Air Quality Tester with TUYA WiFi, 9in1 Sensor (White)
$59.00 Save $25.00 RRP: $84.00
120 dB Wireless Touch Sensor AntiTheft Security Alarm Loud Door Knob
$19.95 Save $9.00 RRP: $28.95
Hidden door sensor detector window security for home security burglar alarms with low false alarms
$14.95 Save $8.00 RRP: $22.95
Refrigerator Door Alarm Freezer Alert, Compact Sensor with Voice Alarm for Home, Business, School, and Rooms with Windows
$31.95 Save $15.00 RRP: $46.95
120dB Mini Home Alarm Security Door Stop Safety Travel Portable Anti-theft Sensor Stainless Wedge-shaped Alarm
$7.95
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 CloseDoor Notification, EnergySaving Window Sensor, Security Monitoring
$20.95 Save $11.00 RRP: $31.95
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$22.95
Yale 3 Pack Yale PIR Motion Detector Sensor for Yale HSA Alarms 433MHz Yale
$64.00
433MHz Door Magnetic Wireless Sensor Detector Switch For Home Garage Alarm Security, Compatible With 433MHz Receivers
$14.95 Save $8.00 RRP: $22.95
Alarm Touch Sensor Door Alarm 120DB Wireless Anti-Theft Security System with Loud Door Knob for Home Safety
$20.95 Save $10.00 RRP: $30.95
Blood Glucose Sensor Stickers 10 Pack Waterproof Non Slip Adhesive For Small Electronic Dynamic Sensors
$14.95 Save $8.00 RRP: $22.95
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
PM2.5 Sensor. The precision dust PM2.5 sensor can the PMS3003 environmental sensor D3.
$79.00 Save $40.00 RRP: $119.00
Freezer Door Alarm Smart Door Sensors Voice Alarm Sensor for Windows, Rooms, Stores, Homes, Schools, Businesses, Security
$74.00 Save $35.00 RRP: $109.00
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
$47.95 Save $26.05 RRP: $74.00
433MHz Door Magnetic Contact Wireless Sensor Detection Switch for Home Office Alarm Security
$18.95 Save $9.00 RRP: $27.95
Intelligent door sensors, supports remote control and voice commands, ABS textured window sensors for family protection.
$209.00 Save $100.00 RRP: $309.00
Tuya Zigbee Wireless Window Alarm Living Room WiFi Front Door Gate Open Security System Sensors Status Detector Accessories
$54.00 Save $30.00 RRP: $84.00
Magnetic door and window sensors, wired security alarm contact switches, 2 pieces.
$14.95 Save $8.00 RRP: $22.95
Ultrasonic Distance Sensor Pack of 2 SR04T for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $14.00 RRP: $40.95
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
Wireless Vibration Alarm Door Window Open Alarm 120dB Alarm Sound Security Sensor Home Antitheft Alarm for Home Apartment Hotel Garage
$17.95 Save $9.00 RRP: $26.95
Refrigerator Door Alarm, Door Sensor Compact Sensor with Voice Alarm for Household, Business, School, and Rooms with Windows
$23.95 Save $12.00 RRP: $35.95
100Meter Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security
$119.00 Save $90.00 RRP: $209.00
Tuya Zigbee Door and Window Sensor for Smart Home Security, Real-Time Alerts, Remote Control via Smartlife App
$104.00 Save $55.00 RRP: $159.00
Refrigerator temperature sensor Wireless sensor with alarm for dormitory
$27.95
Wireless Door and Window Sensor Tuya Zigbee Compatible Magnetic Sensor Smart Home Door Detector Remote Control
$84.00 Save $45.00 RRP: $129.00