Pure sine wave 220-volt power converter

Power converter from 12 to 220 volts 60 Hertz pure wave contains information screen (except the 300 watt, which does not contain a screen) showing input and output voltage, load consumption, and a warning bell when loads increase or battery weakens. 300 watt contains one 220 outlet and one fan. 600 watt contains one 220 outlet and one fan. 1000 watt contains one 220 outlet and two fans. 2000 watt contains one 220 outlet and two fans. One-year warranty.