1.5v2a adapter 2.efficiency level 5 3.UL/CUL CE ... warranty 5.US EU UK AU model Regarding the 5v2a adapter , have 5w-20w wall mount model adapters for ... you selection. 5v2a adapter Spec. as following, DC Output Voltage5V± 5%DC ... than 50ALeakage Currentless than 5mAStandby powerless than 0.3w Attention,Switching Adapter* this product can be used widely ,if you have ...