Features Wide Compatibility: The locomotive cigarette lighter has a super current of 4.2A which can supply power to mobile phones tablets navigation GPS etc. Durable:The USB charger is flame-retardant resistant to high and low temperatures corrosion-resistant durable and not easy to replace. Waterproof Design: With silicone waterproof cover it is safer to use. The cigarette lighter is placed inside which solves the problem of missing or missing cigarette lighter. With Voltmeter: With a voltmeter you can detect the battery voltage status at any time and eliminate the potential safety hazards caused by battery failure. After-sales Service:If you have any problem please contact us immediately we will help you solve it as soon as possible. Specification: Material:ABS metal Input Voltage: DC12V Output Voltage: 12V/5V Product:8.3*5.9cm includes: 1*Handlebar bracket 1*Mirror fixing bracket 1*Light cigarette butt "