Features: With two USB ports for provide charging for mobilephones, MP3s and so on. The cigarette lighter has a socket dust cover, which is generally waterproof for daily life. With power supply voltage display function, it is convenient to monitor power supply voltage in real for time. The car can be converted to USB charging, and the two USB ports is 12V-24V, 4.2A. The waterproof lid secures the USB port and leaves it able to work in splash conditions, excellent IP66 waterproof level will helps you more in actual use.This USB charger socket fits for DC 12-24V car, boat, marine, motorcycle, ATV, RV etc. Specifications: Material:ABS LED Color:Red,Blue,Green Input: 12-24V for DC Output: 5V for DC 4.2A Diameter:Approx.3.6cm/1.42'' Net Weight:25g 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. Package includes: 1x Dual USB Car Charger