Motorcycle USB ChargerSpecially designed for motorcycles, power 36w, button switch, double USB design, supports charging 2 phone devices at the same time. Easy to install, suitable for rearview mirrors within 10mm diameterWaterproof and DustproofMotorcycle Phone Charger comes with a dustproof and waterproof cover, which can effectively prevent dust and water, protecting the safe use of the charger.UniversalMotorcycle Double USB Charger, 12-24V universal design, supports multi kind fast charging. Suitable for charging most devicesLED VoltmeterDouble USB Adapter has LED Voltmeter function, which can know the of electric bicycles or motorcycles in real time to prevent low .Multiple ProtectionsMotorcycle USB Phone Charger has overvoltage protection, overcurrent protection, overload protection, short circuit protection, overtemperature protection, and security protection functions Specification: Input : 12-24VUSB output: 18W+18WOutput : 5/9/12VMaterial: ABS Size Chart: 8.6cmx3.3cmx2.4cm/3.39inchx1.30inchx0.94inchCord length 60cm/23.62inch Package Includes: 1x charger1x mounting bracket Note: Please allow slightly errors 1-2cm differences due to manual measurement.