4000W Car Inverter LED Display Multifunction 2 USB Power Converter Charger Adapter [Fast Charging Dual USB ports ]One AC Outlets andsupporttwousbchargerports(Max 4.2A)to work at same time and itcan offer 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. [Lightweight designTop Quality]Lightweight and compact, perfect for vacations, camping and work trips. It can be plugged into almost any 12V power output vehicle, providing charging opportunities anywhere. Name: Car power inverterInput 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)Output voltage: AC 110V/220VOutput frequency is: 50Hz for 110V/220V modelPeaks Power: 4000WRated power: 600WOutput waveform: Modified sine waveColour: YellowMaterial: PlasticPackage Contents:1 * Power Inverter2 * Battery Clip1 * 12V Power supply Plug1 * English ManualOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.