Shutter Release Remote Control for Canon EOS 6D , 7D ,40D , 30D , 5D , 20D , 10D , 5D Mark II , 5D Mark III , 1D X , 1D Mark IV, 1Ds Mark III , 1D Mark III , 1D Mark II N , 1Ds Mark II , 1D Mark II Compatibility:Canon EOS 6D, 7D, 50D, 40D, 30D, 5D, 20D, 10D, 5D Mark II, 5D Mark III, 1D X, 1D Mark IV, 1Ds Mark III, 1D Mark III, 1D Mark II N, 1Ds Mark II, 1D Mark II. Cable length: 100cm Release: Half-press for auto-focus, full-press for shutter release Features:Single/Continuous/B mode, three shooting modes Contents:wired remote X 1 ,warranty cardX1