1. It is designed to adapt to your car or card socket, it can make your car much neater. With this charger, you will stop annoyed by having cords and charger adapters sticking out everywhere. Its appearance use Anti-scratch ABS and high-quality fire proof material  
2. Built-in Dual USB ports with 2 Cigarette Lighter and Smart USB Charging. 4 outlets create the perfect charging hub on the go for you as well as your family members. It meet enough for GPS, dash cam & simultaneous use of a variety of portable appliances in your 12V/24V vehicle  
3. Two independent switchs for two cigarette lighters for safe operation, no need to plug in and out your charger, reduce wear and tear, expanding lifespan of the device  
4. Built-in protective circuits protects against over-current, short-circuit, over-temperature and over-charging. Charging will stop automatically when battery is full