The Trigger Smart Camera Cable for Canon (CF00971) is a non-standard cable that connects your camera to the Trigger Smart Controller. This cable is not included as part of the Trigger Smart Kit but can be purchased separately to fit specific cameras when using the Trigger Smart system. The cable has 2.5mm jacks on both ends & is compatible with select Canon cameras. The cable is an 18 (45.7 cm) coiled cable, when not stretched.