Compatible with Canon EOS 6D Mark II, 1DX Mark III, 1D X Mark II, 1D C, 1D X, 1DS Mark III, 1DS Mark II, 1Ds, 1D Mark IV, 1D Mark III, 1D Mark II N, 1D Mark II, 1D, 5D Mark II, 5D Mark III, 5D Mark IV, 5DS, 5DS R, 5D, 6D, 7D, 7D Mark II, 50D, 40D, 30D, 20D, D2000, D60, D30, EOS-1V, EOS-3 | Cable length: 120 CM. Shooting mode: single shooting, continous shooting, long exposure, BULB. Shutter control: support half-press, full-press, lock the shutter | Two stage control button behaves in the same way as your camera's shutter release, activating AF on a half press. The switch also features a lock allowing you to lock the shutter button down for long exposure times (BULB) or unattended continuous shooting | Take pictures without touching your camera, ideal for when you want to avoid causing vibrations. Helpful not only to suppress camera shake when shooting night views and fireworks, but also for self shooting