Universal AC input / Full range. The input voltage: AC 100V/240V, the output current: 5Amps Dual input voltage: AC 110V/220V. There is a switch, choose the proper voltage before use Min Ambient Temp – 45 Degree C 12VOLT 5AMP 60WAT Universal AC input full range it’s good quality & high performance 100% full load burn-in-test. Cooling by free air convection. There is no fan inside the case, silent running. Metal case with many holes makes heat dissipation more efficient. Protections: Overload / Over Voltage / Short Circuit