Sevenoak SK-MS01 Camera Dynamic Movement Motorized Push Cart - Support Variable Speed Sevenoak SK-MS01 is motorized push cart which offers your video with more dynamic movement Powered by two 1.5V AA batteries (BATTERIES NOT INCLUDED) and can support up to 3KG Easily attached to any camera dollies with standard 0.65mm connecting holes and moves smoothly at different angle Built-in 1/4" screw holes, LED light, Monitor or microphone can be added via articulated arms With the forward-backward switch and speed control button, the movement and speed can be controlled easily.