Progo Wired Remote Control Shutter Release for Canon EOS-1V/1VHS, EOS-3, EOS-D2000, D30, 1D, 1Ds, EOS-1D Mark II,III,IV, EOS-1Ds Mark II,III, EOS-10D, 20D, 30D, 40D, 50D, 5D, 5D Mark II, 5D Mark III, 6D, 7D. Retail Packaging. Progo brand professional remote shutter release Press the button half way to activate the autofocus and set the shutter speed Press the button completely to shoot Replaces Canon RS-80N3, Length of cord: 3 FT, 90 CM One year manufacturer warranty