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Regular price $23.99 USD
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Work with other sensors and consoles

Additional/optional about sensors and consoles

A table to learn combination of different models

Linking frequency about sensors and consoles

A listing to learn choosing frequency in different country


  • Poolthermometer with an anchor.
  • None opening design with ultrasonic body welding: IP68 waterproof.
  • Idle mode for further powerreduction (keep pressing the button for 8 seconds).
  • Minimum operating lifetime: 3 years.
  • User-selectable channel number up to 8 channels.


Measurement Range Accuracy Resolution
Temperature 0°C to 60°C (32°F to 140°F) ±1° 0.1°

Power Consumption

  • Battery life: Minimum 3 years (5 years by stationary state)

Transmission between Gateway and Sensor

  • Transmission distance in the open field: 100 m (330 ft.) depends on the environment
  • RF frequency: 915 MHz
  • Updates on the gateway: About 60 seconds

Two Working Mode

1). Idle mode

  • press button 3s to wake up the device. Once power up, it will display the “36” model number and RF frequency, like 915, for 2s, and resume normal mode operation.

2). Normal mode

  • quick press once to toggle Celsius or Fahrenheit temperature unit.
  • Press and hold for 3s, the channel number will start to flash. Release and press once in a cycle between channels 1 and 8. Leaving key untouched for 10s will terminate the channel setting.
  • Press and hold for 8s will force the device to enter idle mode: LCD will be off and enter a minimum power consumption state. If you keep the WN36 in idle mode for 6 months per year, you can extend the battery life to a minimum of 5 years.

Package Content

  • 1 x Pool thermometer EN36
  • 1 x User Manual


Ecowitt is committed to help people know more about the accurate

weather condition around them by providing quality environmental monitoring instruments.

  • Freshman

    *One sensor only*

    Weather station


    Soil Moisture

    Air quality

  • Sophomore

    *Multiple sensors*

    *Cellular network*

    SHT35 probe

    Water temp


  • Junior

    *full sensors*

    Mini console

    Split rainfall&Wind



    Water leak

    Leaf wetness

    SHT35 probe

    Water temp


  • Senior

    *full sensors*

    *Multiple console*

    TFT display



Which plan is right for me


Easy to first use. Upgradable console to more advanced plans.


A kit with multiple sensors to upgrade. There are WiFi kit and Cellular kit.


You can follow this shop menu "Sensor" to customize sensors to build your home system.


Enter plan to customize other console.