1,charge current adjustable 2,LCD display inverter 3,pure sine wave inverter 4,super charger inside 5,CE ,SONCAP solar system use ... oven,etc.2.Superior performance from CPU control technology.3.Wide range of input voltage,accruate output,AVR function ... to Mains)Regulation (Nominal)±20% typical of nominal voltageRegulation±3% of selected output voltage(Battery mode) INPUT Nominal Voltage110V/ ...