Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Product name: Smart thermostat _x005f_x000D_ Product model: ST30/ST30-W _x005f_x000D_ Input power: DC6-30V _x005f_x000D_ Output type: 1-way relay switch _x005f_x000D_ Probe model: 10K NTC 3950B _x005f_x000D_ Probe length: 2m waterproof probe _x005f_x000D_ Overall dimensions: 79*43* 25 (MM) _x005f_x000D_ Product net weight: 93g _x005f_x000D_ Maximum control: current within 30A _x005f_x000D_ Additional functions: buzzer prompt + backlight control _x005f_x000D_ Temperature control range: - 40~110℃ _x005f_x000D_ Temperature control accuracy: 0.1℃ _x005f_x000D_ Temperature measurement range: - 40~110℃ _x005f_x000D_ Product size: 79.00x43.00x25.00mm _x005f_x000D_ Product size: 3.11x1.69x0.98inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ 1. The product is equipped with NTC waterproof sensor by default, without 18B20 digital sensor _x005f_x000D_ 2. When the 18B20 sensor is connected, the temperature will automatically switch to the test temperature of 18B20 _x005f_x000D_ 3. The relay only functions as a switch and is not used for output without power. _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x ST30  WIFI Remote Control Thermostat  _x005f_x000D_ 1 x ST30-W  WIFI Remote Control Thermostat