Konova New Motorized System Ms Kits for K2 120cm Slider (Not Included Controller and Slider) MS Kits(Motorized Kits) without any controller The MS kits can work in different shooting positions. (Horizontal, vertical, diagonal) Easy to set up: can be set up on the slider in less than 30 seconds. Expandability: The MS kits are compatible with KONOVA Basic Pan Tilt controller, Smart Pan Tilt controller and Smart Head for 3 Axis motion(tracking, panning and tiliting). powerful motor: it can support up to 20kg(44lbs) There are 3 motors available for different speeds (1/50, 1/250 and 1/1500). Package come standard with the 1/250 motor. If you would like a different motor, please specify (send message to us on Amazonn).