SONOFF-DS18B20 SONOFF DS18B20 Waterproof Temperature Sensor for the Smart Home

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SONOFF DS18B20 Waterproof Temperature Sensor for the Smart Home

The SONOFF-DS18B20 is a waterproof temperature sensor that works with the SONOFF-TH16 thermostat. With the DS18B20 and the SONOFF-TH16 you can remotely monitor and maintain temperature control for any appliance or project using the cellphone APP eWeLink. 

The SONOFF-DS18B20 used with the SONOFF-TH16 also works with Amazon Alexa and Google Home voice assistants for local control. 

The combination of SONOFF-TH16 and DS19B20 provides convenient remote control for electric heaters, aquarium heaters as well as air conditioners in the smart home. 


  • Waterproof Stainless Steel DS18B20 Sensor
  • Usable temperature range: -55 to 125°C (-67°F to +257°F)
  • ±0.5°C Accuracy from -10°C to +85°C  9 to 12 bit resolution
  • Prewired to 3.5mm Stereo plug
  • 3 wire connection: Red wire - VCC , Black wire – GND, Yellow wire - DATA
  • Uses 1-Wire interface- requires only one digital pin for communication  Stainless steel tube 6mm diameter by 32mm long  Cable diameter: 4mm
  • Length: 200cm
    eWeLink APP:  
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