ITEM NAME:AC-DC Converter 110V 220V 230V to 5V Isolated Switching Power Supply Board JR.Output: DC 5V/600mA(Max). Input: AC 55V-277V/DC 70V-390V. Output Current: Mini/0mA; Max/600mA, output indicator/1mA/red light. Module Size: approx. 23.5 16 13.5mm. Output Power: 3W. Output Ripple: 60mV.