1. This intelligent AC motor governor is suitable for 6-400W mini power gear 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% - +10%Power frequency: 50/60hz, Less than or equal to -2%-+2%Motor output: 6/15/25/40/60/90/120/150/180/200/250/400WSpeed adjustment range: 90-1400 rpmSpeed change rate: 1%Steady speed accuracy: 1%Suitable motor: 6-500W gear motorSpeed setting: ContinuousSoft stop/start: YesDisplay mode: Digital displayOperation mode: Manual precisionInstallation dimension: 53x81mm/2.09x3.19inchColour: BlackMaterial: metal + plasticPackage List:2x 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.