Features: Dual usb support quick charge 3.0 fast charging technology. Allow you to charge two devices simultaneously. Waterproof and dustproof motorcycle phonecharger, the item equipped with a rubber cap when you do not use it, you can close the cap to keep usb port away from light rain and dust. Built-in voltmeter. Automatically monitor the battery and electrical system and display the voltage on the screen, you will know the for health of the battery while driving. Features a push-type button that is more stable on control than other's for touch buttons, allows you to turn off the LED voltmeter display easily to save battery when not in use. The Quick Charge 3.0 USB outlet fits for 12/24V car, boat, marine, motorcycle, ATV, RV etc. Suitable for charging mobilephone(Note: ios series does not support fast charging, it is normal speed ), GPS, digital camera and other USB accessories etc. Specifications: Material:PC Input:12-24V Output:5V Light Color:Blue,Red,Green Size:Approx.6.78x3.67cm/2.67x1.44in Cable Length:Approx.50 for cm/19.69in Package Includes: 1x Motorcycle USB Charger 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.