Unipower PV1KW~6KW Low Frequency Pure Sine Wave Inverter is from 1KW to 6KW, DC12V-72V, AC 110V/220V/230V, 50Hz or 60Hz, LCD indicators display. Off grid solar inverter with pure copper transformer, peak power three times, with built-in DC Charger 35/70Amp, Charger current adjustable, UPS Function. It can work with both solar and home, office (air conditioner, freezer, printer, generator, fans, lights, TV, computer and so on).