Security System Sensors

Shop the best prices on 11,222 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

Filters

Sort by:

1,441 - 1,472 of 3,200

Per page:

Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door

$26.95 Save $8.00 RRP: $34.95

Tuya WiFiZigBee Smart Door Window Sensor Smart Home Wireless Door Detector

$9.95 Save $5.00 RRP: $14.95

2X Temperature Humidity Sensor Zigbee Smart Air Pressure Environment Sensor Smart Home for Mi Home APP

Smart Home Zigbee Scene Wireless Switch ZG-101ZL

15pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems White

6X Call Button Restaurant Pager 433MHz Wireless Doorbell Bell Button for Home Security Alarm System Hardware Red

3X Mini Tuya WIFI Elderly SOS Button Waterproof Emergency Panic Sensor Alert Push to Mobile Home Automation Security

W100 Smart WiFi Bridge Gateway and Door Sensor Set for WeHere Smart Lockboxes, APP Control for Home Office Security

Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Security

Tire Pressure Monitors System Sensor 13542523 Replacement for Chevrolet

$32.95 Save $11.00 RRP: $43.95

Temperature And Humidity Sensor With Lcd Screen Display One-click Linkage Home Automation Security Alarm

2Pcs Single Infrared Beam IP55 Protection Automatic Infrared Photocell Sensor Alarm for Gate Opener

$25.95 Save $33.05 RRP: $59.00

Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer

$43.95 Save $40.05 RRP: $84.00

Home & Garden > Business & Home Security > Security System Sensors

Door Stop Alarm Door Window Burglar Alarm Travel Business Trip Home Hotel Alarm Sensor

$26.95 Save $37.05 RRP: $64.00

1 Pair Magnetic Reed Switch NC NO Door Alarm/Window Security Switch Magnetic Contact Switch/Reed Switch for GPS Alarm White

MC-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.C Type Multicolor

Door Magnetic Sensor Alarm For Tuya-Sensor Wireless For Smart Door And Window Security System Robot Alarm Home Appliances Parts

$23.95 Save $5.00 RRP: $28.95

Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor

$21.95 Save $9.00 RRP: $30.95

Infrared Sensors Dual Beam Sensor for Homeowners Security Personnel High Waterproof Home Security System Outdoor Use 100m 1 Set

$34.95 Save $11.00 RRP: $45.95

Wired Dual Beam Photoelectric Infrared Sensor Barrier Detector 100M Alarm Tamper Alarm for Park Bur

Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces)

$43.95 Save $85.05 RRP: $129.00

Door Window Sensors Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealment

NPN Photoelectric Beam Sensor with Mounting Bracket

$19.95 Save $31.00 RRP: $50.95

Wireless Door Alarm Window Opener Sensor for Home Security Pool Child Safety Anti-Theft (2 Pack)

$104.00 Save $65.00 RRP: $169.00

Vehicle Reverse Parking Alert System Sensor Detector

$79.00 Save $60.00 RRP: $139.00

Waterproof Wireless Vibration Sensor Alarm with Remote Control for Bike and Electric Trike Security

$40.95 Save $33.05 RRP: $74.00

TuyaWifi SOS Emergency Panic Button for Elderly Alarm Sensor Home Burglar Alarm Falling Detector Security Alarm System A

$21.95 Save $11.00 RRP: $32.95

3-Pack WiFi Temperature Humidity Sensor for Smart Home Monitoring

$46.95 Save $42.05 RRP: $89.00

Smart WiFi Temperature and Humidity Sensor with Multifunction Monitoring and Remote Access Capability

$33.95 Save $40.05 RRP: $74.00

2025 Essential Freezer Alarm: Wireless Thermometer with Industrial-Grade Chip, Multi-Sensor System, p

Wireless Door Sensor 2.4GHz WiFi Smart Window Alarm for Home

$18.95 Save $7.00 RRP: $25.95