Special Cup Design -- It is designed to adapt to your car or truck's cup holder it can make your car much neater. With this car charger you will stop annoyed by having cords and charger adapters sticking out everywhere. It's appearance use Anti-scratch ABS and high-quality fire proof material. Certified by RoHS CE & FCC.</br>Multi Function -- This cup charger could be used as a 2 USB ports car charger with 2 cigarette lighters. 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.</br>LED Voltage Display -- Compact design with LED display monitoring your car battery. When car voltage is less than 12V warning with flashing number on the display.</br>Indepent On/Off Switch -- 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.</br>High Safety Standards -- Built-in protective circuits protects against over-current short-circuit?? over-temperature and over-charging. Charging will stop automatically when battery is full.</br></br>Product Description</br></br><b>Product Features:</b><br> Made of ABS+PC Explosion-proof material. <br> Included phone holder for mobile phone and tablet. <br> 3.1A double USB output (two laptops or mobile phones charging simultaneously). <br> Constructed with heat-resistant materials?? protects your device from power surges?? short circuits?? and overcharging. <br> <br> <b>Product Sp