This is a stand alone motion controller which does not require a computer and it is remote operated via an IR remote. It has the following features:
 
12 levels of power setting, from 0.125A to 1.5A, perfect for customized rails
8 levels of micro stepping from full to 1/128th microstep, allows finer steps
Independent lighting control -- fire flashes in the middle of exposure
Limit switch port, this allows you to install hardware limit switch
Lead screw pitch and motor parameter make it suitable for customized rails
IR remote allows you to control the unit without touching it
 
Camera shutter release cable and power supply are optional.
 
Important Note: There is NO CR2025 battery inside remote due to shipping restrictions. It must be purchased locally.