Car power inverter with 2 USB ports and AC power socket.the inverter comes with 1X cigarette lighter and 2 battery clips,300W Max 600W.One AC power socket and two USB ports can provide 100% fast charging for mobile phones, computers, laptops, breast pumps, nebulizers, shavers, rescue equipment, emergency equipment, etc., and can be used as emergency power supplies.The LED battery level bar shows the battery capacity and can alert you when the battery is dead. When the battery is connected to the inverter, the LED screen works and displays the real-time capacity of the battery. It has 5 levels (dot matrix) of battery level bars, each grid represents 20% of the battery power. When your battery is dead, the display will flash to remind you that you need to recharge the battery.Built-in fuse, safe charging design and cooling fan to prevent the car power converter from overheating, saving electricity and energy. Overvoltage, overload, overcurrent, short circuit, undervoltage, overheating, and short circuit protection.Lightweight and compact, it is very suitable for vacation, camping and work trips. It can be plugged into almost any vehicle with 12V power output, providing charging opportunities anywhere.Precautions:1. Please try to use our standard battery line, otherwise the full power output cannot be achieved 2. Inverter startup: start the inverter first, and then turn on the load; Shutdown: Disconnect the load and then shut down. .3. Do not connect the mains to the output port, and do not reverse connect the battery with load.4. Do not overload with household appliances, such as inverter with motor water pump, air conditioning and other inductive load, please multiply the rated power by at least 3 times, the value shall not exceed the inverter power.5. If the inverter buzzes in red light, please check whether it is overloaded and whether the battery is full (no matter whether your battery is new or not, please charge the battery for at least 3 hours and try again).6. Turn off the inverter when the inverter is not in use.7. When the inverter buzzes, disconnect the load first, turn off the inverter switch, and then check the problem.Input: DC 9.5V-15.5VOutput: AC 220V ,12V to 220VPeaks Power: 600WRated power: 300WOutput frequency: 50Hz-60HzOutput waveform: Modified sine wavesInverter efficiency: 90%Colour:blue+blackMaterial:plasticSize: 203x110x56mmPackage Contents:1 x Power Inverter2 x Battery Clip1 x Cigarette Lighter Plug1 x English manualOnly the above package content, other products are not included.Note: Light 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.