Vector MAXX SST 500 Watt / 1000 Peak Watt Power Inverter AC / DC with Carrying Case Powers up to 4.2 amps / Overload and short circuit protection Low battery alarm will sound if car battery is running low Dual 120 volt AC outlets / Dual Outlet Safety covers Portable carrying case included for storage 500 Watt / 1000 Peak Watt Power Inverter