... 1.The power exchanger is specialied maked for your favorate car match perfectly with the cigarette light.It is much better ... than the original inverter system in the car .2.External 2.0 USB Plug .LED(dual-colour) ... ,enviromental.low noise .portable ,the cpver shell is made of Australian synthesize redign,wearable,heat-resistant ,fadeproof ,fireproof ,insultated ,nontoxic.This ...