Output: 5V/3.1A 

Materials: Aluminum alloy + PC

USB Port: dual USB ports with LED indicator light

It is easy to plug in and  out with aluminum alloyshell and  textured and oxidized technology. 

Fireproof ABS+PC and aluminum alloy materials make the charger durable.

Build-in intelligent voltage/current monitor with LED digital display real time show the current/voltage  of car.