[Fast Charging Dual USB ports ]OneAC Outlets andsupporttwousbchargerports(Max 4.2A)to work at same time and itcan offer 100% fast charging for Mobile phones, computers, laptop,breast pump, Nebulizer,Razors,emergency equipment etc. Easily meet the power supply needs of the diverse vehicle electrical appliance and itcan be as a Emergency Power Supply. [Multi Protection]Built-in fuses, safe charging designandcooling fan prevents the car power converter from over-heat,saving power and energy,over voltage, overload, over-current, short circuiting,under-voltage, overheating, short circuit protection. [ design&Top Quality] and compact, perfect for vacations, camping and work trips. It can be plugged into almost any 12V power output vehicle, providing charging anywhere. Name: Car power inverter Input voltage: DC 10.5V-15V (When the battery voltage is lower than 10.5V, the inverter is low voltage protection, when the battery voltage is higher than 15V, the inverter high voltage protection)