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Security System Sensors

Shop the best prices on 11,536 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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257 - 288 of 3,200
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector, Access Gift-AC
$64.00 Save $40.00 RRP: $104.00
Normally Closed Magnetic Window Door Safety Alarm Switch with Metal Housing Durable Security Sensor for Home Protection
$10.95 Save $5.00 RRP: $15.95
Wireless Mini Door Window Alarm 433Mhz Magnetic Sensor Home Security Anti-Theft Sound Easy Installation Low Voltage for Garage Apartment
$14.95 Save $8.00 RRP: $22.95
2026 new Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accesso
$21.95 Save $18.00 RRP: $39.95
Tuya WiFi Door Magnetic Sensor Remote Intelligent Linkage Doors Windows Switch Anti-alarm APP Reminder Alarm Tuya Door Magnetic Sensor
$25.95
433MHz Door Magnetic Contact Switch Wireless Sensor Detector Switch for Home Garage Alarm Security
$21.95 Save $13.00 RRP: $34.95
Rain Snow Sensor,Switch Type 485 Rain and Snow Transmitter Detection Densor
$69.00 Save $20.00 RRP: $89.00
6X TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction
$74.00 Save $45.00 RRP: $119.00
2X SONOFF SNZB-04P Zigbee Door and Window Sensor Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Google
$49.95 Save $29.05 RRP: $79.00
Tuya Smart Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contact Sensor
$32.95 Save $26.05 RRP: $59.00
Finely Detailed Angel Wings Cross – 2026 Premium Acrylic Boho Style Elegant Home Decor Ornament
$24.95 Save $7.00 RRP: $31.95
Infrared Beam Sensor for Gates, Doors & Window - External Alarm Detector
$34.95 Save $29.05 RRP: $64.00
High Sensitive Vibration Detector Earthquake Alarms with LED Lighting Door Home Wireless Electric Car Alarm
$36.95 Save $32.05 RRP: $69.00
Wireless Door and Window Sensor App Notification Enabled Wireless Door Detectors for Enhancing Home Safety Monitoring
$59.00
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
$20.95
Vibration Detectors Alarm 125dB High Decibel Sound Easy Setups No Wiring Required Anti Theft Protections System White
$31.95
Call Button Restaurant Pager 433MHz Wireless Doorbell Bell Button for Home Security Alarm System Hardware Blue
$11.95
Tuya ZigBee Smart Temperature & Humidity Sensor, Mini Temperature Humi
$17.95
Infrared Sensor Photocell for Gates Security Gate Motion Detector Security Infrared Sensor
$16.95
3X Tuya Smart WiFi Alarm Door and Window Vibration Sensor Security Protection Alert Works with Alexa, Smart Life(White)
$64.00
2X ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-In Siren Alarm Sensor
$41.95
2X TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection for Smart Echo Hub SmartLife App
$27.95
WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control
$19.95
3X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$9.95
Zigbee Solar-Powered Light Sensor, IP65 Waterproof Outdoor Brightness Detector with Real-Time Luminance Monitoring
$41.95 Save $32.05 RRP: $74.00
Door Handle Alarm Safety Sensors With 120dB Siren Touch Vibration Detection Three Sensitivity Mode for Home Multicolor
$29.95
Vibration/Noise Electronic Sensors Paranormal Devices compatible with SPIRIT compatible with Vibes RGB Pickup Light Sound Pickup Lamp
$18.95 Save $2.00 RRP: $20.95
Door and Window Alarm Multi-Functional Anti-Theft Alarm Wireless Remote Control Door Sensor Alarm 130DB Door Sensor Walk 3843 B
$44.95 Save $24.05 RRP: $69.00
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$26.95 Save $77.05 RRP: $104.00
E3JKR4M1 ABS Housing Specular Reflection Type Photoelectric Switch Sensor(DC1224V 3500mm)
$32.95 Save $41.05 RRP: $74.00
Door Window Alarms, Adjustable Volume, Door Window Alarm Sensor
$42.95
2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$36.95 Save $37.05 RRP: $74.00