AC/DC Switching adapter 5V 4A 5v 4a ac adapter Spec. as following, Oupt power range5v 3a ,5v ... 4a,5v 5a, 12v 2a,9v 3a,7v 3a (also have those models for selection)The adapter ... size84*42*30mmThe adapter weight173g/pcsInput Rated Voltage86Vac~264VacInput Frequency ... fee AC/DC Switching adapter power adapter power supply travel adapter 5V 4A