... 5 hours)Control ModePWM,MPPTDisplay ModeLCDDisplay Parameterswind power , wind voltage , wind current ,wind turbine speed ,PV power , PV voltage ,PV ... 4. Optional RS232/RS485/USB function to communicate with computer and SD card stocks parameters automatically.Quality: ... : Outlook, Input voltage, Output voltage, Frequency, Socket type, Protection functions(Low battery voltage, over battery voltage, ...