DLC Studio 5-in-1 Intervalometer Remote Control for Canon "D" Series (3-Pin) Time-Lapse up to 100 hours Self-Timer up to 99 hours 59 minutes and 59 seconds Long exposures up to 100hours Timed Exposures up to 399 images For Canon EOS 7D, 5D Mark II, 5D, 1D, 1D Mark II, 1D Mark III, 1D Mark IV, 1Ds, 1Ds Mark II, 50D, 40D, 30D, 20D, 10D, (3 pin)