Aputure Timer Camera Remote Control Shutter Cable 3C, for Canon EOS 1D, 1DS Mark II, III, Mark III, IV, 1DC, 1DX, D30, D60, 10D, 20D, 20DA, 30D, 40D, 50D, 5D, 5D Mark II, III, 7D, fully compatible with Canon RS80N3, Inexpensive Intervalometer for Time Lapse
The Aputure Timer Camera Remote Control is a cost-effective intervalometer, great for time-lapse photography.  Great for all walks of photography including: astro-photography, product photography, macro photography, portrait photography, wildlife photography and time-lapse videos.