N3 Shutter cable supported by the cameras Canon EOS: 1D Mark IV, 1D X, 1D X Mark II, 5D Mark II, 5D Mark III, 5DS, 5DS R, 6D, 7D, 7D Mark II, 50D
One PC-3.5mm Flash Cable and One Shutter Release Cable
You can use a shutter release cable to connect to your camera's shutter release port. When you use the intervalometer or the smart trigger functions, you can choose this port to release the camera's shutter.
You can use a standard 3.5mm PC flash cable to connect to an external flash. When you use the intervalometer or the smart trigger functions, you can choose the port to trigger the external flash.