... 24 mons waranty 3000W line interactive power inverter,9000w offgrid solar inverter ,LCD inverter Nominal power :5000wattAc output:120V/230VAC 50Hz ... equipments: solar energy system, wind power, metal halid lamp, high voltage sodium lamp, etc.3> Office equipments, computer, printer, display ... , buzzer will give an alarm, and after 1 min the inverter will turn off automatically.2. Over voltage protection ...