With the firmware version 1.8.0 I've introduce the capability to display also the input power in Watt instead of dBm. Simply tap on the unit field on the display to toggle between dBm and Watt.
As usual, if the offset mode is enabled in the configuration, the letter "o" is displayed after the unit.
Here are the required files:
!!! Please upload the new HMI file in the sketch to enable the touch control for the unit field on the display !!!