Canon Remote Switch RS-80N3 for EOS Film and Digital SLR Cameras | eBay
Better Shutter Release Cable Remote Control For Canon Rs-80n3 R6 R5 5ds 5dsr 7d / 5d Mark Ii Iii Iv 6d 50d / 1dx Ii / 1d Mark Iv - Shutter Release - AliExpress
Amazon.com: Canon Camera Remote Control Cable TC-80N3 : Electronics
Amazon.com : Canon RS-80N3 Remote Switch for EOS-1V/1VHS, EOS-3, EOS-D2000, D30, D60, 1D, 1Ds, EOS-1D Mark II,III, EOS-1Ds Mark II,III, EOS-10D, 20D, 30D,40D, 50D, 5D : Digital Camera Accessory Kits : Electronics