Features: 1. Automatic and manual functions2. Speed can be adjusted3. Forward and reverse4. There is a delay function5. It can run cyclically6. Acceleration and deceleration settings7. Electronic gear ratio setting Check On LOLLETTE This is an operation control module specifically for stepping/servo motors. The module has no programmable function, but has a variety of fixed operating modes built-in, and users can quickly select a suitable motion track. You can save and set the distance/speed/delay/cycle times when power off. It can run independently as a module, or cooperate with other systems as a third-party module to make up for the lack of motor output shaft.