3C Shutter Release Cord (already included in set code no. 7001)for Canon cameras with N3 port:
Canon: 1D C, 1D X (Mark II), 1D(s), 1D(s) Mark II(N)/III, 1D Mark IV, 5D (Mark II/Mark III/Mark IV), 5DS (R), 6D, 7D(Mark II), 10D, 20D, 30D, 40D, 50D, D30, D60.