Konova Timelapse / Basic Motion Controller Bundle B for K3 120 It`s very accurate full automation system that will enlarge features like motorized sliding, motorized control, memory move, feathering/ramping moves and more various options that going to make getting that cinematography shot easy. KONOVA slider and motorized kit package allow you to take a film which has been impossible to shoot such as shooting and finally time lapse film, which weve been only dreaming in our imagination will happen in the real life. You need a INTERVAL RELEASE that allow you to take a time lapse film. Note: you should buy a Release Cable separately , please refer the link: http://www.amazon.com/gp/product/B009SJ2XDQ We have 4 kinds of geared motor. They are 100:1, 264:1, 516:1, 764:1. Please let us know which one you need before purchasing, if not, we will ship 721:1 motor. (100:1 is the fastest one, 721:1 is the slowest one.) Basic controller allows you to control left and right movement of your slider for moving shooting. Optional battery pack includes AA magazine and you can use twelve AA batteries. Also, you can replace it with optional two BLS-NP750 batteries after removing magazine. In addition customer need to purchase battery pack separately. But Ac Adapter will be provided. Will usually ship within 2 business days of receiving cleared payment.