All-metal outer casing, the copper uni-body design plated with nickel and chromium, an extraordinary texture, very durable, wonderful electrical conductivity,Fashionable and stylish led indicator, which is perfectly visible even in the dark, indicating the operational status of mi car charger plus AJ7,Output Power: 2x2.4A (maximum output power 3.6A), compatible with all USB powered devices, premium chip identifies your device to provide an optimal charging solution, including quick charging on iPad,Compatible with 12v/24v socket, built-in high-quality circuit control chip protects your car and devices against excessive current, overheating and overcharging,Built-in USB smart chip enables electricity conversion ratio to reach 95 percent, which is better and more stable indicator compared to conventional car chargers,The high rate of power conversion, excellent temperature control even at maximum operation of mi car charger (At the operation of 3.6a output, temperatures control at 50 degree Celsius),6 months warranty