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Security System Sensors

Shop the best prices on 10,865 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,721 - 2,752 of 3,200
Infrared Beam Sensor Pair 20m Long Range Photoelectric Detector for Door and Gate Security
From $39.95
Waterproof Infrared Beam Sensor Pair 20m, 12/24V Outdoor Photoelectric Safety for Gate Door
From $429.00
Smart Vibration Sensor Compatible with Tuya App, Instant Motion Alerts, Smart Sensitivity Control
From $39.95
Window Door Alarm with Sensitive Vibration Sensor, 120dB AntiTheft Alert for Home and Travel
From $21.95
Wired Door Window Contact Sensor Pack of 6 with Hidden Recessed NC Magnetic Reed Switch for Security
From $25.95
Touchless Infrared Sensor Switch 12V/24V 520CM Detection Range NO/NC Output 0.330s Delay PC ABS White 86x86mm
From $35.95
Zigbee 3.0 Vibration Sensor for Door and Window Security with RealTime Alerts and Adjustable Sensitivity
From $31.95
Door and Window Alarm Sensor Set 24 Pack for Home Security and Child Safety Protection
From $149.00
XL33C Recessed Magnetic Door Window Sensor 2 Sets NC Alarm Reed Switch for Security System
From $21.95
Magnetic Door Window Contact Sensor Wired Recessed Alarm Reed Switch Brown RC33
From $21.95
Magnetic Contact Reed Switch 5 Pack for Overhead Roller Garage Door Alarm Replacement
From $69.00
10Piece Door Window Alarm Sensors with 120dB Loud Siren, Battery Operated Home Security Kit
From $79.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
From $26.95
Door Single Beam Infrared Beam Alarm Waterproof High Sensitivity Infrared Beam Sensors for Schools Homes Black 2025
From $20.95
Panic Button Durable ABS Anti Theft Safe Emergency Equipment for Nursing Homes Banks 25-26
From $4.95
Sensor Elektroweb Mc-38 No w
From $19.95
w 2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
From $89.00
Magnetic Door Sensor 868.4mhz Eu Window Sensor Z-wave Plus Contact Sensor Smart Home
From $54.00
Window Alarm Sensors, Door Alarms for Home Security Loud, 120DB Pool Window and Door Alarms for Kids Safety (10 Pack)
From $99.00
Zigbee Human Presence Sensor PIR Motion Radar, Compatible With Home Assistant
From $29.95
120dB Ultra-Slim Vibration Alarm Sensor, Anti-Theft Burglar Alarm for Home, Window, Door, Bike -LL
From $19.95
AC system sensor for accurate temperature control in vehicles
From $9.95
Infrared Beam Sensor Outdoor Waterproof, Single Beam Alarm compatible with Security System Factory Warehouse Perimeter Protection
From $30.95
Tuya BT Fingerbot Intelligent Finger Robot Wireless Switch Button Pusher Bot with APP Control Compatible with Alexa Voice Smart Home
From $46.95
Wireless Door Window Alarm 4-Pack - 100dB Magnetic Security Alarm for Home Burglary Protection - Anti-Intrusion Sensor
From $28.95
Magnetic Clothing Security Tag Remover - Hard Tag Detacher for Retail Stores
From $24.95
Car Truck 4 Way Circuit ATO Standard Blade Fuse Box Board Block Holder + Free Fuse 12V/24V
From $34.95
Tuya Zigbee 3.0 Human Presence Sensor with Luminance & Distance Detection
From $29.95
Tuya Zigbee Smart Fingerbot Plus: Remote Control, Timer, Voice, DIY Switch Button Pusher for Smart Life App
From $48.95
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
From $54.00
Wireless Door and Window Alarm with 3/15/30/60 Second Delay, 4-in-1 Security Sensor for Freezer, Fridge, and Doorbell Alert, 108dB Loud Warning Sound
From $24.95
10 Pack Wired Door and Window Contact Sensors for Security Alarms
From $34.95