1. This intelligent AC motor governor is suitable for 6-400W mini motor.2. With soft start to achieve the smooth starting of motros.3. This speed controller can stop or re-drive the motor in the motor running process.4. LED screen display, clear and intuitive.5. Accurate speed control, stable performance.Model: ux-52Type: Motor GovernorInput voltage: 220VACOutput voltage: 220 VOperating voltage range: -10 percent - and10 percent frequency: 50/60hz, Less than or equal to -2 percent -and2 percent Motor output: 6/15/25/40/60/90/120/150/180/200/250/400WSpeed adjustment range: 90-1400 rpmSpeed change rate: 1 percent Steady speed accuracy: 1 percent Suitable motor: 6-500W motorSpeed setting: ContinuousSoft stop/start: YesDisplay mode: Digital displayOperation mode: Manual precisionInstallation dimension: 53x81mm/209x319inchColour: BlackMaterial: metal and plasticPackage List:1x Digital Motor GovernorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.