ITEM NAME:Digital Display Us-52 400W Ux-52 220Ac Speed Motor Controller Regulated Spe V8A6 Digital Display Us-52 400W Ux-52 220Ac Speed Motor Controller Regulated Spe V8A6 Please don't turn on without load. US-52 is suitable for adjustable AC induction motor. Other motors are not recommended to use it. Motor Type:AC Motor Model Number:UX-52A Colour: Black material: plastic Package Content: 1* Motor Speed Controller.Colour: Black. Motor Type:AC Motor.