1Heating Control: Through the knob to adjust the temperature, you can precisely control the heating temperature, rich function selection, support for Modbus, WIFI, room card and so on. 2Knob Adjustment: Knob design, easy to operate, according to the season, indoor demand and other factors, easy to control the operation of the heating system. 3LCD Display: Clearly display the current, set temperature and other information, intuitively understand the indoor temperature, convenient real time adjustment of temperature. 4Simple Operation: The user can set the temperature, mode selection and other operations, simple and convenient operation, power off protection, safely save all your Settings. 5Multi Functional: Stable current switch, accurate design, can stably control the indoor temperature, can access for TmallGenie, for Amazon echo, for Google Home, experience a new voice control method. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.