Specifications: Input Voltage: 100-240VAC; 60HZ; Max.Current: 15A; Max.Power Rating: 1875W; USB Port Output: DC 5V, Total 3A; Item Dimensions: 2.5*1.9*1.9 INCH; Package list: 1 x Electric Wall Outlet with USB Charger; 1 x Instruction manual ; 1 x Paper Box; Notice: Do not exceed the total rating or it may cause damage to the unit and fire hazards.