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Security System Sensors

Shop the best prices on 244 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Dahua, TP-Link, Yale and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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97 - 128 of 244
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$21.95
Door magnetic contact wireless sensor detection switch suitable for home garage alarm security
$14.95 Save $7.00 RRP: $21.95
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
Magnetic door and window sensors, wired security alarm contact switches, 2 pieces.
$14.95 Save $7.00 RRP: $21.95
Smart Home door and window sensors for ZigBee, easy installation with wireless connectivity.
$31.95 Save $16.00 RRP: $47.95
Freezer Door Alarm – Intelligent Door Sensor Voice Alert, Ajar Reminder for Business, Home, School, Room, Window
$20.95 Save $10.00 RRP: $30.95
Refrigerator Door Alarm, Door Sensor Compact Sensor with Voice Alarm for Household, Business, School, and Rooms with Windows
$23.95 Save $11.00 RRP: $34.95
Wireless robust door window sensor control detector multipurpose security alarm Smart Life household accessories
$69.00 Save $40.00 RRP: $109.00
Tuya Zigbee Wireless Window Alarm Living Room WiFi Front Door Gate Open Security System Sensors Status Detector Accessories
$54.00 Save $25.00 RRP: $79.00
Refrigerator Door Alarm Open Door Alert Compact Sensor with Voice Alarm for Home, Business, School, and Rooms with Windows
$23.95 Save $11.00 RRP: $34.95
Freezer Door Alarm Smart Door Sensors Voice Alarm Sensor for Windows, Rooms, Stores, Homes, Schools, Businesses, Security
$69.00 Save $40.00 RRP: $109.00
Refrigerator Door Alarm Freezer Alert, Compact Sensor with Voice Alarm for Home, Business, School, and Rooms with Windows
$30.95 Save $15.00 RRP: $45.95
Wireless door and window sensor app notification activated wireless door alarms for enhanced security monitoring door sensor
$37.95 Save $21.05 RRP: $59.00
Ultrasonic Distance Sensor Pack of 2 SR04T Modules for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $13.00 RRP: $39.95
Refrigerator Temperature Sensor Wireless Refrigerator Alarm Temperature Monitoring Indoor Outdoor Compact Measuring Device for Dormitory
$26.95
Smart Sensor for Doors and Windows Xiaomi BHR8995GL Wall mounting Xiaomi
$31.95
Smart Sensor for Doors and Windows TP-Link T110 TP-Link
$45.95
Yale Pet PIR Motion Detector Sensor Pet Friendly for SR & EF Alarms 868MHz Yale
$19.95
Yale 3 Pack Yale PIR Motion Detector Sensor for Yale HSA Alarms 433MHz Yale
$64.00
120dB Mini Home Alarm Security Door Stop Safety Travel Portable Anti-theft Sensor Stainless Wedge-shaped Alarm
$7.95
Vibration Sensor Modules 10 Pcs Enhanced Trigger Duration Reliable Output Signals For Vibration Detection Tasks
$15.95 Save $8.00 RRP: $23.95
Blood Glucose Sensor Stickers 10 Pack Waterproof Non Slip Adhesive For Small Electronic Dynamic Sensors
$14.95 Save $7.00 RRP: $21.95
E3Z-R61 NPN Photoelectric Beam Sensor with Bracket
$31.95 Save $22.05 RRP: $54.00
Electric Bike 12 Magnet PAS System Sensor Drop Shape Double Hall Pedal Assist Sensor,Black (1PC)
$17.95 Save $9.00 RRP: $26.95
TUYA Smart Door/Window Sensor, Wireless, Realtime Alarm, Works with Alexa Google
$18.95 Save $10.00 RRP: $28.95
Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security System, Weatherproof, Indoor/Outdoor Use
$59.00 Save $25.00 RRP: $84.00
Smart Zigbee Door Sensor, Wireless Magnetic Alarm for Home Office, Smart App Compatible, Easy Installation
$23.95 Save $11.00 RRP: $34.95
Wireless Door Alarm Sensor with 130dB Output, 4 Alarm Modes for Comprehensive Home Security
$21.95 Save $11.00 RRP: $32.95
Bett Sensor Alarm for Seniors Intelligent Wireless Alarm Bell, EnergyEfficient Call Device for Elderly Adults, Children, and Bedwetters
$36.95 Save $17.05 RRP: $54.00
Magnetic Sensor for Door Window Security, Large Gap Contact Detector Switch, Home Garage Alarm System
$14.95 Save $7.00 RRP: $21.95
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
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