... output.PERFORMANCE FEATURES:1) Integrated design of controller and inverter, Portable, beautiful, complete functions, economic and practical. ... key type switchLCD DisplayInverter working state, inverter protect state and inverter charging state InverterRated Output Capacity(VA)3000VADc ... Hz(±0.2)Total harmonic distortion(THD)<5%Inverter Efficiency(80% Resistive)>80%Overload Capacity120%,60sInverter ...