SONOFF Wireless 433Mhz Water Leakage Alarm for the Smart Home

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SONOFF Wireless 433Mhz Water Leakage Alarm for the Smart Home

This battery powered water detector sends an alarm message at 433Mhz more than 200 meters when it detects a water overflow. Works with the SONOFF RF BRIDGE to connect to a router and your smartphone on the internet.

The eWELink App is available at the App Store for IOS and Google Android.

When two feet of water is detected, it will flash and send alarm message to the alarm host.

This makes it an ideal remote water intrusion warning for homes, apartments (kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc.

Installation is simple using supplied double-sided adhesive tape.


  • Type: Water Level Alarm
  • Frequency: 433MHz
  • Emission protocol: 1527
  • Working Voltage: DC 12V
  • Battery Type: 12V 23A (not included, ABRA:GP23A-2)
  • Standby Current: 5uA
  • Alarm Current: 10mA
  • Transmission Distance: 200m (in the open area)
  • Working environment temperature: -10℃~60℃
  • Operation humidity: <80%
  • Item Size: Approx. 7.8 * 3.7 * 2cm (L*W*H)
  • Item Weight: Approx. 38g / 1.3oz


  • 1 x Water Instruction Sensor
  • 1 x Mounting Sticker

eWELink Download: 

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