ITEM NAME:New 9V 500mA 4.5W AC-DC Step Down Isolated Switching Power Supply Modu DDD LZY Descriptio n Specifications: 1. Input Characteristics Input Current 0.065 (AC110V) - 0.032 (AC220V) A (Full Load.Switching Machine Overshoot 150%. We'd like to settle any problem in a friendly manner. Output Efficiency 85% (Rated Load). Input Current 0.065 (AC110V) - 0.032 (AC220V) A (Full Load Condition). Input Surge Current 20A (Full Load Condition).