The aviation grade aluminum alloy shell is processed by sandblast anodize oxidation treatment. With two USB output can up to 2.4A that can quickly charge mobile phone phone, iPad, etc and quick 30%on charging time then conventional charger. With advanced power management solution, it provides optimum charging efficiency for different devices. With blue LED lights, it is convenient to find socket at night for safe driving. It has various safety protections, such as over current protection, over voltage protection, short-circuit protection and temperature protection, etc.