Features: 1:This motorcycle charger comes with power switch which is designed to cut off the power while not using to avoid draining the battery, and comes with the voltmeter which is used to monitor battery anytime. 2:This item is made high quality material with waterproof and dustproof cover, which is universal and easy to install to the rear mirror or handlebar. 3:Power switch design, cut off the power while not using to avoid draining the battery. 4:With its waterproof cover, can protect your charger and socket against the fog, dust and rain. 5:Comes with the voltmeter which is used to battery state anytime. 6:ABS high temperature resistant and corrosion resistant material, super durable and safe. Specifications: Condition:100% Brand New Voltage Input:12V-24V Voltage Output:5V Current output:2.1A+2.1A