This product has the soft-start function, adopts MCU digital control technology, multifunctional design, accurate speed control with stable performance. Adopt digital display menu option for quickly and conveniently modify the setting. The display rate can be set according to the user's display needs, and the display target value can be converted automatically. You can have a try.Features:Adopts MCU digital control technology, multifunctional design, accurate speed control with stable performance.Adopt digital display menu option for quickly and conveniently modify the setting.The display rate can be set according to the user's display needs, and the display target value can be converted automatically.It can realize slow acceleration and slow deceleration.It can be operated by panel and controlled by external switch.The panel knob automatically matching the highest speed, easy to adjust and control, safe.Blocking-protection function to prevents motor and governor from burning out due to blocking.(This function can protect against blocked rotation overload, but it cannot protect against non-blocked rotation overload)Increase circulation operation function.Specifications:Name: Speed ControllerModel: UX-52Main color: blackVoltage: 220 VPower frequency: 50/60HzMotor output: 400WItem size: 100 * 90 * 60mm / 3.9 * 3.5 * 2.4inItem weight: 231g / 8.1ouncePackage size: 122 * 105 * 85mm / 4.8 * 4.0 * 3.3inPackage weight: 275g / 9.6ouncePacking List:1 * Speed Controller