Soft start/soft stop can be set, the time is 0.0-99.9 seconds; the motor soft start, no inrush current, effectively protects the motor and prolongs the service life of the motor. Comes with a start and stop button, which is convenient and quick. With the button lock function, after the button is locked, the frequency and duty cycle cannot be modified by the button to prevent misoperation. Support analog quantity (0-10V) to control the duty cycle to meet control needs of customers. Support A1,A2 level output, can cooperate with special motor drive to realize motor forward and reverse rotation and functions, high scalability, after connecting toour wifi module, you can remotely control the motor forward and reverse rotation and through the mobile phone APP Function. Material: plastic colour: as shown Package Contents: 1 x motor speed controller Only the above package content, other products are not included. Note: Light reflection 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.