Description: Dual USB Outlet: With 3.1A dual output ports, you can simultaneously charge 2 devices. Suitable for phone, tablet, GPS, etc Smart Protection: Input overvoltage, undervoltage protection; Output overcurrent, overvoltage, undervoltage, short circuit protection, overload protection; Reverse connection protection; Chip internal high temperature protection. LED Digital Voltmeter: Real time digital voltage display, when the voltage is lower than 12V, the battery needs to be replaced in time. LED display, allowing you to see clearly even in the dark. And with an independent on / off power switch, convenient and reliable. Wide Compatibility: Universally suitable for most DC12V vehicles, cars, motorcycles, boats, RVs, ATV, etc. Installation: Easy to install, 2 installation methods: handlebar installation or screw fixing. Red is connected to the positive pole and Black to the negative pole. IP65 Waterproof cover design, suitable for outdoor, reliable to use. Specification: Product size: line length 147cm/57.87inch Material: ABS plastic USB Quantity: Dual USB Input voltage: DC12V Output voltage: 5V Output current: 3.1A Waterproof grade: IP65 Package Includes: 1 Dual USB Charger Adapter 1 Handlebar Mounting Bracket 1 Screw Mounting Bracket 2 Large Screws 1 Small Screw 1 Handlebar Fixing Screw 1 Non Slip Gasket Note: Please allow slightly errors due to manual measurement and different monitors.