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Security System Sensors

Shop the best prices on 11,205 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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1,825 - 1,856 of 3,200
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From $74.00
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open_
From $20.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
From $16.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
From $16.95
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm_i*
From $10.95
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open_
From $20.95
Temperature and Humidity Light Sensor, WiFi Connection Voice Control, 2.4Ghz Operating Temperature -10℃-60℃, Indoor Environment Monitoring Device
From $36.95
Freezer Door Alarm, Wireless Safety Door Window Alarm, 4 Modes with Adjustable Delay 108dB, 2 Pack for Refrigerator Cabinet Doors
From $45.95
Door Magnetic Sensor, Intelligent Detection Switch, Low Power Consumption, Commercial Door and Window Security Alarm
From $17.95
Door and Window Alarm for Childproofing 10-Piece Set Office Dormitory Security Sensor
From $41.95
Door and Window Sensor, Real-time Alert, Easy to Install, Zigbee Wireless Security Device
From $47.95
Photoelectric Safety Beam Sensor for Automatic Sliding Glass Doors, 10m Detection, 12-24V DC Power Supply, Wired Connection
From $35.95
Smart Door Magnetic Sensor, Low Battery Alert, Customizable Alarm, Door and Window Security Monitor
From $26.95
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open_
From $20.95
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
From $74.00
Tuya WiFiZigBee Smart Door Window Sensor Smart Home Wireless Door Detector
From $8.95
2pac Freezer Door Alarm, 3/15/30/60 Seconds Wireless Refrigerator Alarm, 4 in 1 Door Sensor Door Bell Open Door Alarm Loud 108db
From $69.00
20PCS 3.5mm x 1.35mm DC Male Power Adapter Plug Jack Connector
From $14.95
Smart WiFi Door/Window Sensor | Tuya Smart Alarm, Wireless Entry Detector with
From $37.95
Smart WiFi Door Sensor: Wireless Window Sensor with App Notification Alert, Tuya
From $39.95
Magnetic Sensor,Betterlife Magnetic Switch Sensor Window Door Security Alarm
From $23.95
Electrical Lockout Tagout Kit Tag Hasp Safety Padlock Set Rustproof for Lock Out Tag Out Station
From $45.95
Wireless Door Window Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay
From $59.00
Wireless Infrared Beam Sensor for Security Alarm Systems
From $33.95
Door Window Sensors Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealment Multicolor
From $20.95
Driveway and Sliding Gates Waterproof Infrared Beam Vehicle Detector, Reliable All-Weather Operation
From $25.95
Sonoff SNZB-02 Room WiFi Temperature Sensor Alarm Real-time Humidity Wireless Sensor Alarm ()
From $37.95
Infrared Sensor Switch NonTouch Access Control System Backlit Button DC12V
From $17.95
Alarm System Waterproof Single Infrared Beam Sensor Range Photoelectric Infrared Barrier Detector Sensor Security Alarm Black
From $31.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home White AKA
From $64.00
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
From $18.95
Bimirth Security Tag Remover for Hard Clothing Tags
From $25.95