Features: Push-type button switch allows the charging socket to be turnedoff when it is not needed to prevent the power consumption of car and yachts. The LED light is on when you turn on the chargers. Fast charging port 3.0 provides 4 times faster charging speed for compatible devices. It takes up to 35 minutes to charge to 80%; double USBs allow you to charge two devices at the same time. The USB ports are equipped with dust-proof cover which can be automatically closed to effectively protect the charging port from water splashing and dust. Easy installation. Universally applicable to most 12V/24V vehicles, automobiles, motorcycles, boats and RVs. Specifications: Material:ABS LED Color:Red,Green,Blue Input voltage: 12-24V Output current: 5V 3.1A Working temperature: -40°C -80°C Package Includes: 1x 12V USB Outlet note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.