The decorating cap is made of Aluminum-magnesium alloy. With the treatment of sandblasting and anodic oxidation, it is bright and fresh colored. The body is made of Germany fire-proof plastic.With the crystal vacuum coating on the surface, it is scratch-proof and high anh.It looks Very dignity. The unique intelligent PMIC can distribute the accurate charging current for the different electric products.With the surging current of 3.1A, it meets the charging requirements of all products. The circuit without temperature increasing and short circuit protection and the over-flow protection let you use it sagely and easily. Mini Dual USB car Charger.high efficiency .safe and reliable.With corresponding USB connection cables, charging for iPod, iPhone, iPad, GPS smart phones and tablets charge, etc. Type: Double Port USB; Car Charger Input: DC 12-24V; Output:5V=3.1A(max); USB Port: Double Port; Working temperature: -10°C-50°C