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Shop the best prices on 9,992 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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3,169 - 3,200 of 9,992
Compact Singal Radiation Beam Door Window Infrared Detector Alarm for Home Security
$24.95 Save $7.00 RRP: $31.95
16 Music IR Motion Independent Sensor Store Home Welcome Door Bell Entry Alarm
$39.95 Save $39.05 RRP: $79.00
Intelligent Home Automation Light Sensors Energy Saving Solar Light Detector for Outdoor Brightness Sensors Accessories Multicolor
$79.00
A Pair Normally Closed Magnetic Window Door Safety Alarm Switch Metal Housing
$17.95 Save $5.00 RRP: $22.95
Automatic Door Safety Sensor Photoelectric Beam for Sliding & Swing Doors - Reliable Photocells
$79.00 Save $40.00 RRP: $119.00
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$31.95
Sensor Elektroweb Mc-38 No 26s
$8.95 Save $8.00 RRP: $16.95
Door and Window Sensors WiFi,Smart Door Open/Closed Detectors for Home Security 2pack(Battery not Included)
$40.95 Save $23.05 RRP: $64.00
Door Single Beam Infrared Beam Alarm Waterproof High Sensitivity Infrared Beam Sensors for Schools Homes Black 2025
$21.95 Save $21.00 RRP: $42.95
Door Magnetic Contact Wireless Sensor Detection Switch For Home Garage Security System Wireless Door Sensor
$20.95 Save $11.00 RRP: $31.95
Wireless Door And Window Sensors With App Alerts Compact Magnetic 2-Pack For Enhanced Security Monitoring
$54.00 Save $30.00 RRP: $84.00
Freezer Door Alarm With Intelligent Sensor, Voice Alarm, Ajar Reminder For Home, Storefront
$29.95 Save $14.00 RRP: $43.95
Refrigerator Door Alarm Open-Door Alert Compact Sensor With Voice Alarm For Home, Office, School, And Rooms With Windows
$33.95 Save $17.00 RRP: $50.95
Smart Home Door and Window Sensors for ZigBee, Easy Install, Wireless Connectivity, Compatible with ZigBee Hubs
$45.95 Save $23.05 RRP: $69.00
Kuehlschranktuer Alarm Compact Fridge Door Sensor With Voice Alert For Home Office School And Rooms With Windows
$33.95 Save $17.00 RRP: $50.95
Door Alarm On Opening, Freezer Sensor, Voice Alert, Window And Room Sensor For Home Office School Security
$33.95 Save $17.00 RRP: $50.95
Gefriertur Alarm Smart Door Sensor With Voice Alarm For Window, Room, Store, Home, School, Business Security
$104.00 Save $55.00 RRP: $159.00
Wireless ZigBee Sensors For Door And Window Security Alerts, ZigBee Compatible, Home Automation
$33.95 Save $17.00 RRP: $50.95
Kuhlschranktuer Alarm Open Door Alarm Voice Alarm Sensor For Refrigerator Door Window And Room Security
$33.95 Save $17.00 RRP: $50.95
Refrigerator Door Alarm Freezer Alarm, Compact Sensor With Voice Alert For Home, Office, School, And Rooms With Window
$43.95 Save $25.05 RRP: $69.00
Bedwetting Alarm Pee Alarm Enuresis Sensors for Boys Grils Kids Potty Training Elder Care with Sound Vibration LED Light Indicator Reminding
$47.95 Save $16.05 RRP: $64.00
Microphone foam cover for clear audio recording wind isolation shield cylindrical Hwy
$26.95
Window Door Vibration Alarm Sensor 130dB Adjustable Sensitivity for Warehouse Security Hwy
$99.00
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type)-Good Ydcy
$10.95 Save $12.00 RRP: $22.95
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
$48.95
Intelligent Home Automation Light Sensors Energy Saving Solar Light Detector for Outdoor Brightness Sensors Accessories Multicolor
$79.00
Wifi Temperature and Humidity Sensor Indoor Thermometer Hygrometer
$30.95 Save $10.00 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 ZigBee Door Sensor Door Open / Closed Detectors App Notification
$89.00 Save $30.00 RRP: $119.00
Premium GPS Signal Detector and Tracker for Expert Tracking
$89.00 Save $50.00 RRP: $139.00
【New】 SNT40 Infrared Sensor Access Control Switch Button Out Button
$44.95
10pcs Surface Mount Wired NC Door Contact Sensor Alarm for Doors, Windows & Cabinets - Reliable Security System
$74.00 Save $35.00 RRP: $109.00