Eyeboot 36V 16A DC Universal Regulated Switching Power Supply 600w Input voltage: 100-120V ONLY Max Input Rated Voltage : 90 to 130VAC Output Voltage & Current : 36VDC 16A Smart device surge protection for Shortage Protection, Overload Protection, Over Voltage Protection Fan turns on with unit. Will speed up after heavy load. IN-DOOR USE ONLY!