As a wireless trigger fits for Canon flash 600EX III, 600EX II,580EX II, 580EX, 540EZ, 520EZ, 430EX II, 430EX, 430EZ, 420EX, 420EZ, 380EX,etc. As a wired shutter release with cable fits for Canon 7D Mark II, 7D, 6D Mark II, 6D, 5D Mark IV, 5D Mark III, 5D Mark II, 5DS R, 5D, 5Ds, 1Ds Mark II, 1D X Mark II, 1D Mark IV, 1D Mark III, 1D Mark II N, 1D Mark II, 1D, 1Ds, 1D C, 50D, 40D, 30D, 20D,etc.
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