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Security System Sensors

Shop the best prices on 11,212 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.

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1,377 - 1,408 of 3,200
Electric Bike 12 Magnet PAS System Sensor Drop Shape Double Hall Pedal Assist Sensor,Black (1PC)
$25.95 Save $12.00 RRP: $37.95
Smart Vibration Alarm Sensor 5Pcs for Family Security and Monitoring
$139.00 Save $130.00 RRP: $269.00
Detector, Gps Tracker Detection, Rf Signal Scanner With 1m-8g Hz Wide Frequency Range And 12
$129.00 Save $130.00 RRP: $259.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
$33.95 Save $35.05 RRP: $69.00
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$33.95 Save $35.05 RRP: $69.00
2025 Solar Strobe Lamp With Ip65 Waterproof Motion Detector Led Solar Alarm With Remote Control, 129db Sound Security Siren
$74.00 Save $75.00 RRP: $149.00
TUYA Zigbee Door Window Sensor Open Smart Security Alarms Compatible W/ Alexa
$20.95 Save $7.00 RRP: $27.95
Tuya Smart ZigBee Door Sensor Door Open / Closed Detectors App Notification
$89.00 Save $30.00 RRP: $119.00
Wifi Temperature and Humidity Sensor Indoor Thermometer Hygrometer
$31.95 Save $9.00 RRP: $40.95
Aubess Tuya Zigbee Door And Window Magnetic Sensor Wireless Connection Smart Home
$169.00 Save $50.00 RRP: $219.00
Tuya Smart Wifi Alarm Door and Window Vibration Sensor Safety Protection Alarm
$29.95 Save $14.00 RRP: $43.95
Loud 130dB Wireless Door Open Detector Magnetic Alarm Sensors For Garage Door Window Real Time Alerts Easy Installation
$25.95
Wireless Door Window Alarm for Home Security, Anti-Theft Sensor, Pool & Child Safety (2 Pack)
$119.00 Save $70.00 RRP: $189.00
Indoor Temperature and Humidity Sensor with WiFi Connectivity for Home Monitoring
$13.95 Save $19.00 RRP: $32.95
Powerful Magnetic Golf Detacher for EAS Security Tag Removal Systems
$69.00 Save $50.00 RRP: $119.00
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 1M
$20.95 Save $4.00 RRP: $24.95
Tuya Zigbee Light Sensor Luminance Detector Sensor Smart Home Automation App Control Tuya Light Detector
$17.95
Wireless Security Alarm 1 Sound Light Siren 1 Infrared Sensor 1 Magnetic Sensor (jd11+03d+03b)
$54.00 Save $45.00 RRP: $99.00
12V PC CPU Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm Blue
$18.95
Bluetooth Multifunction Gateway Smart Home Door and Window Sensor Socket Control Center
$54.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$379.00 Save $495.00 RRP: $874.00
4 In 1 Door Sensor with Freezer Door Alarm and Window Security Alarm, 3/15/30/60 Seconds
$37.95 Save $41.05 RRP: $79.00
K18 Multi-function Anti-Candid Cam Wireless Lens Device Finder 1MHz-6.5GHz GSM Audio Bug Finder GPS Signal RF Tracker Detect
$74.00 Save $15.00 RRP: $89.00
T16 signal detector anti-camera anti-eavesdropping GPS scanning detector anti-positioning tracking camera detector
$51.95 Save $12.05 RRP: $64.00
New T3 Infrared Camera Detector ProtectiveAlarm Multi-function Mini Wireless Signal DetectorGPS Tracking Scanner Detector
$69.00 Save $10.00 RRP: $79.00
Infrared Detector Durable Window Alarm Active Barrier Sensor
$39.95 Save $12.00 RRP: $51.95
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage Other
$15.95 Save $14.00 RRP: $29.95
Wireless Home Alarm Kit Wireless Home Burglar Door Sensor with Siren Other
$16.95 Save $13.00 RRP: $29.95
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor
$19.95 Save $10.00 RRP: $29.95
Tuya Zigbee Light Sensor Luminance Detector Sensor Smart Home Automation App Control Tuya Light Detector
$14.95
6X Sensor Infrared Safety Beam Photocell Detector for Garage Gate / Swing / Sliding Door Access System
$39.95
2026 Tuya Zigbee 100DB Smart Sound And Light Alarm Two-in-one Sensor Battery / Usb Dual Power Intelligent Linkage For Smart Life
$31.95 Save $32.05 RRP: $64.00