... % Continuous Power 600W Surge Power 1200W Waveform pure sine wave Frequency 50Hz / 60Hz THD <3% Protection Low Voltage Alarm DC10.2 ... voltage, Output voltage, Frequency, Socket type, Protection functions(Low battery voltage, over battery voltage, lack-voltage alarm. Protections:short circuit, overload, over ... Inverters 600W/1200W Off Grid Inverter, Solar Energy Inverter, Wind Generator Inverters