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Security System Sensors

Shop the best prices on 284 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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225 - 256 of 284
Recessed Wired Door Window Security Sensor with Magnetic Reed Switch White
$14.95 Save $8.00 RRP: $22.95
WiFi Smart Alarm Button for Home Security SOS Signal, Rechargeable Battery, IPX4 Water Resistant, Google Assistant Compatible
$23.95 Save $12.00 RRP: $35.95
Handhold Anti Recording Detector Anti Theft Wireless Concealed Devices Detector
$29.95 Save $13.00 RRP: $42.95
60GHz Millimeter Wave Radar Sensor FMCW Module for Fall Detection and Elderly Care
$46.95 Save $22.05 RRP: $69.00
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
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$22.95
Door Alarm Sensor Window Home Safety Alarms Indoor PIR Motion Infrared Detector USB Rechargeable
$12.95 Save $5.00 RRP: $17.95
Real Sensor Open Home Detector Color Black Security System Compatible Instant Notifications
$20.95 Save $11.00 RRP: $31.95
8pcs Mini Electret Condenser Microphone for Security System, Waterproof Sensitivity Detection
$14.95 Save $8.00 RRP: $22.95
2 Pack Recessed Door Magnetic Contact Sensor Alarm Detector for Home Security 100V
$34.95 Save $19.05 RRP: $54.00
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
Tuya ZigBee Intelligent Light Detector Temperature & Humidity Sensor with LED Display Support APP Control Home Linkage Compatible with Alexa Home
$29.95 Save $11.00 RRP: $40.95
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
433MHz Door Magnetic Wireless Sensor Detector Switch For Home Garage Alarm Security, Compatible With 433MHz Receivers
$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 High-Precision Dust Sensor Compatible with PMS3003 Environmental Sensor D3 for Accurate Air Quality Monitoring
$79.00 Save $40.00 RRP: $119.00
Smart Zigbee Door Sensor, Wireless Magnetic Alarm for Home Office, Smart App Compatible, Easy Installation
$23.95 Save $12.00 RRP: $35.95
Magnetic Sensor for Door Window Security, Large Gap Contact Detector Switch, Home Garage Alarm System
$14.95 Save $8.00 RRP: $22.95
Wireless Door Window Alarm with Magnetic Contact Sensor for Remote Home Isolation Monitoring White
$28.95 Save $15.00 RRP: $43.95
Wired Door Window Sensor Pair with 330mm Cable for Home Alarm System N.C Magnetic Switch
$14.95 Save $8.00 RRP: $22.95
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
Vibration Sensor Modules 10 Pcs Enhanced Trigger Duration Reliable Output Signals For Vibration Detection Tasks
$15.95 Save $8.00 RRP: $23.95
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
WiFi Vibration Sensor Alarm And Wireless Vibration Detector RealTime Activity And Shock Detection Black
$22.95 Save $11.00 RRP: $33.95
Ultrasonic Distance Sensor Pack of 2 SR04T for Distance Measurement, Obstacle Avoidance, and Industrial Control
$26.95 Save $14.00 RRP: $40.95
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
Solar Animal Repeller Alarm Long Range Sound Light Outdoor Infrared Sensor Alarm with Remote Control for Orchard 1W 5V
$29.95 Save $7.00 RRP: $36.95
Door Window Sensor Detector Wireless Open Contact Sensor WiFi APP Timer Magnet Back Adhesive Sharing Security Sensor Alarm for ZigBee for Tuya
$12.95 Save $6.00 RRP: $18.95
Sensor Module for Energy Efficiency Maximization with Adjustable Detection Delays, Compatible Equipment, Compact Size
$22.95 Save $12.00 RRP: $34.95
Wireless Vibration Alarm Door Window Open Alarm 120dB Security Sensor for Home Apartment Garage Hotel Anti-Theft System
$17.95 Save $9.00 RRP: $26.95