The Tilta Nucleus-Nano Run/Stop Cable for Canon C200/C300 MkII provides a cable that connects between a motor of your Nucleus-Nano system and your Canon C200/C300 MkII camera, to allow your Nucleus-Nano controller to wirelessly start and stop your camera. This cable features a straight connector on one end and a right-angle connector on the other, and it is only compatible with a genuine Nucleus-Nano system.