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-52 Type: Motor Governor Input voltage: 220VAC Output voltage: 220 V Operating voltage range: -10% - and10% Power frequency: 50/60hz, Less than or equal to -2%-and2% Motor output: 6/15/25/40/60/90/120/150/180/200/250/400W Speed adjustment range: 90-1400 rpm Speed change rate: 1% Steady speed accuracy: 1% Suitable motor: 6-500W gear motor Speed setting: Continuous Soft stop/start: Yes Display mode: Digital display Operation mode: Manual precision Installation dimension: 53 x 81mm/2.09 x 3.19inch Colour: Black Material: metal and plastic Package List:1 x Digital Motor Governor Only the above package content, other products are not included. Note: Light shooting 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia