Thank you for viewing! This compact car inverter is perfect for charging and using smartphones, laptops, tablets, etc. in your car. It's also useful for car camping, camping, emergencies, and disasters. Compatible with both 12V and 24V Can be used in a wide range of vehicles, from kei cars to large vehicles. Battery voltage status check function If the green light is on, the voltage may be insufficient. Safety protection function If an abnormality is detected, the power will automatically turn off. USB power supply: 3 ports AC outlet: 2 ports Cigarette lighter socket: 1 port