High Efficiency,Pure Ture Sine Wave,Power ON/OFF Switch, ... Built-in Cooling Fan,5 protection 300 watts Off-Grid Pure Sine Wave Power InverterInput (Optional) :DC 12V/24V/ ... Voltage Protection YES DC9.5V Over Load Protection YES 120%-130%(Shut Off Output) Over Voltage Protection YES ... Certification CE & Rohs 300W Pure sine wave inverter,Solar power inverter,DC12V to AC100~120/220~240V,CE&ROHS Approved