Inverter is a way to convert DC to AC power conversion device.12VDC or 24VDC input,220VAC/50HZ or 115VAC/60HZ Modified Sine Wave Output.1000 ~ 3000W series ideal for industrial and commercial electricity inverter to prov ide AC output as the same household electricity socket. Can supply a range of industrial equipment, electrical power, for commercial lighting and refrigeration equipment. Inverter has a wide range of uses, but also can be used for outdoor recreation and electronic tools for power supply. As technology advances, users need to move electronic equipment used in ancreasing number of inverters can be ready for these devices to provide sufficient AC power, to provide users with convenient mobile power.