Description: 【Motorcycle USB Charger】Specially 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 diameter 【Waterproof and Dustproof】Motorcycle Phone Charger comes with a dustproof and waterproof cover, which can effectively prevent dust and water, protecting the safe use of the charger. 【Universal】Motorcycle Double USB Charger, 12-24V universal design, supports multi kind fast charging. Suitable for charging most devices 【LED Voltmeter】Double USB Adapter has LED Voltmeter function, which can know the of electric bicycles or motorcycles in real time to prevent low . 【Multiple Protections】Motorcycle USB Phone Charger has overvoltage protection, overcurrent protection, overload protection, short circuit protection, overtemperature protection, and security protection functions Specification: Input : 12-24V USB output: 18W+18W Output : 5/9/12V Material: ABS Size Chart: 8.6cmx3.3cmx2.4cm/3.39inchx1.30inchx0.94inch Cord length 60cm/23.62inch Package Includes: 1x charger 1x mounting bracket Note: Please allow slightly errors 1-2cm differences due to manual measurement.