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Shop the best prices on 10,843 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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2,401 - 2,432 of 3,200
Pack Door Window Alarm, Magnetic Entry Sensor Burglar Alert 110 DB Anti-Theft Chime for Home Garage Kids Security DIY Protection(Battery Not Included Cdmjxsm
$26.95 Save $67.05 RRP: $94.00
Tuya ZigBee Smart Vibration Sensor Wireless Glass Break/Drop/Tilt Detector Built-in Smart Siren Ala
$35.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 1
$23.95
Brand new 3 in 1 Bedwetting Alarm with a sensor cable suitable for nocturnal enuresis
$46.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
$24.95 Save $11.00 RRP: $35.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
$35.95 Save $18.05 RRP: $54.00
Adjustable Temperature 1080w Welder Hot Station Hair Dryer Soldering Iron Welding Heat Gun Amp; 2 Nozzle Amp; Roller
$52.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
$27.95 Save $36.05 RRP: $64.00
Automatic infrared beam detector for home security alarm system - 2pcs SZRH
$39.95 Save $44.05 RRP: $84.00
Miniature Travel Motion Sensors Alarm For Entryways Quick Anti Theft Warning Effortless Installation No Tools Required Multicolor
$25.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$43.95 Save $9.00 RRP: $52.95
2Pcs Infrared Beam Detector, 20m Waterproof Security Sensor for Door/Window Burglar Alarm System
$52.95 Save $11.05 RRP: $64.00
Tuya Smart Door Window Alarm Sensor Door Magnetic Password Disarm
$27.95 Save $6.00 RRP: $33.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$43.95 Save $9.00 RRP: $52.95
433MHz Wireless 2 Active Infrared Detector 60M Sensor Alarm
$159.00 Save $20.00 RRP: $179.00
Solar Light Sensors Energy Efficient Waterproof Outdoor Brightness Detection Luminance Sensors Easy To Installation Multicolor
$69.00 Save $10.00 RRP: $79.00
Magnetic Clothing Security Tag Remover, Hard & Security Tag Detacher for Retail Stores
$15.95 Save $7.00 RRP: $22.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for
$84.00 Save $15.00 RRP: $99.00
2pcs 433MHz Wireless Vibration Glass Break Detector White
$19.95 Save $4.00 RRP: $23.95
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
$23.95 Save $5.00 RRP: $28.95
Tuya Intelligent Pressure Sensor for ZigBee Detection 800mm
$50.95 Save $8.05 RRP: $59.00
Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic
$16.95 Save $3.00 RRP: $19.95
Tuya Smart WiFi Alarm Door and Window Vibration Sensor(White)
$27.95 Save $6.00 RRP: $33.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor
$28.95 Save $6.00 RRP: $34.95
Photocell Single Beam Active Infrared Beam Sensor Detector IR Alarm
$20.95 Save $4.00 RRP: $24.95
2pcs 433MHz Wireless Vibration Glass Break Detector Black
$27.95 Save $6.00 RRP: $33.95
2026 100m Ir Alarm Sensor, Digital Pulse Infrared Sensor Dual Beam Infrared Alarm, Infrared Invisible Sen
$409.00 Save $340.00 RRP: $749.00
Burglar Alarm,Smart Alarm with Wireless Remote Control,Waterproof Intelligent Vibration Sensor Alarm,Suitable for Bicycle/Motorcycle/Elect
$25.95 Save $17.00 RRP: $42.95
Infrared Photocell 12V Waterproof Sensor for Automatic Gate Door System 26-27s
$46.95 Save $47.05 RRP: $94.00
2025 Zigbee Window Door Open Alarm Real Time Remote Control Magnetic Door Sensor
$29.95 Save $29.05 RRP: $59.00
2026 Mc-38 Sensor Security Wired Switch Protection Switches Alarm System
$59.00 Save $60.00 RRP: $119.00
PIR+Light Sensor+Temperature/Humidity+USB Human Presence Sensor Zigbee Low-Power Temperature/Humidity Light Sensor
$34.95