[Extension Cigarette Lighter Converter] Allow you to power more device with this car accessory,output 60W. Support car accessories like GPS,Car Recorder,Car Vacuum Cleaner,Car Refrigerator. [3 USB Charging Port] Cigarette lighter USB chargers can charging 3 devices fast simultaneously.Max 3.1A current output.Input:12V/24V auto. Intelligent output current according to the charging device.Compatible with iphone 8/7/X/6S/XR/6/8plus/7plus,iPad, Samsung galaxy S9/S8,tablet,camera. [Voltage Monitor-Low Voltage Indicator ] Monitor the vehicles volt electrical system automatically, display the car voltage in the screen via the soft LED light, you will know the real-time voltage conditions while driving. [Multi-protect Safety System]This portable car charger protects against short circuit, over-heating, over-current, over-voltage and over-charging. [Compact Design Worry Free]Plug this car outlet adapter into your car cigarette lighter. All-in-one design with flexible rotation makes your car neater, brings you more convenience activities in the car.