Various functions: The controller can adjust the , speed, direction and delay time of the motor. The -stepping resolution can reach 1/128, allowing you to control the motor more accurately.9 operating states: The controller has built-in 9 fixed operating modes, including forward rotation, reverse rotation, delay, , etc., which can select the operating mode . In addition to the built-in parameter working mode, you can also control it through external buttons or other drives.[High-definition LCD display] The controller is equipped with a high-definition LCD display, which can easily read parameters and set parameters more accurately. The module also has a power failure memory function to prevent your parameters from being lost.Forward and Reverse Rotation: The controller can change the direction of motor rotation by pressing a button, and you can also to use a wider range of working modes to two modes, automatic or manual.13 setting functions: controller includes number, motor turn, delay time, number of pulses, forward speed, flip speed, etc. External buttons and encoders make setting parameters very simple.color:Photo colorMaterial:plasticPackage Contents:1 x controller1 x plug wireOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.