ITEM NAME:10-60V 10A DC Motor Speed Controller Adjustable Variable Speed Switch #JT1 Product Description Description: Bullet Points: The governor 10A maximum power design, no empty mark, under normal working.Electric current: rated current 8A, maximum through current 10A. Dc motor is dc input, can't direct access to alternating current, or it will burn out. Product frequency: 21Khz. Speed adjustable range: 10%-100%.