400W Power Inverter lets you power & charge up to 4 devices at once. Plug the 12V adapter into your vehicles 12VDC outlet or any other 12V powered outlet in order to power the inverter. Once plugged into a 12V outlet, use the AC wall outlet to charge your small Electronics or other devices which receive power from an AC plug. The LED indicator turns green to let you know that the inverter is powered on or red during standby with the power protection mode. Isolated Voltage Protects Perfectly for your device from Over-voltage,Under-voltage,Overheat,Overload,Reverse Polarity,Short circuit. The Inverter does automatically sense overload condition and shuts down AC power when the load exceeds 400W. To prevent you from running down your car battery, the Inverter turns off automatically if the input voltage falls to 10V, as well as if the unit gets too hot . The dual USB ports let you fast charge most standard USB devices with up to 65W PD or QC18W AMP's of power. It's perfect for charging during driving or while stopped on the road. The 400W Power Inverter for Car brings the power to you while on the go, on long road trips or vacations, so you'll never be without power when you need it. This durable inverter is backed by Lifetime Tech Support and 24-Months Warranty . 【???????????? ?????????? ???????????????? ????????????】: Our power inverter produces Watts continuous DC to AC power and 800 Watts instantons power, with dual 110V AC power sockets and 1 PD 65W USB-C port and 1 USB-A QC 18W port,this car power inverter can fast charge iphone, macbook and other devices on the trip, and it can also power the air compressor, car vacuum cleaner and other devices. 【??????????-???? ???????????? ????????????????????】: The power inverter built-in fuse provides full protection against short-circuit, over-load, low-voltage, over-voltage & over-temperature. The cooling fan turns on automatically when internal temperature reaches 113F (45℃), maintaining the working temperature in a cool and safe range. 【?????????????????? ?????? ?????????? ?????????????? ??????】: Our car power inverter also has a built-in low-noise cooling fan, when the inverter heats up, the intelligent cooling fan automatically rotates at different speeds depending on the power load and temperature, keeping it completely cool even after hours of use. This helps to increase the safety and stability of the inverter when in use. 【???????????????? ????????】: 6.7x 4.5x 2.5inches, Light Weight: 0.88 lb (400g). 21.65Inches cables, Our car power converters unique design is more scientific and compact, greatly improving car inverter usability and portability. 【?????????? ?????? ???????? ??????????】: this car power inverters plug-in & go drawing power from Cigarette Lighter Socket Charger. PD 65W USB-C port and 1 USB-A QC 18W which can charge iPhone 14 Pro Max up to 51% in 30 minutes, which is perfect for powering up your electronic devices such as kindles, cellphones, tablets, cameras, air pods and etc. And the power sockets can be used to supply power to any appliances requiring 300W to 400W power such as laptops, DVD players and etc.