Opteka Timer Remote Control for Canon EOS Digital Rebel XT, XTi, XS & XSi Digital SLR Cameras 4 Modes: Shutter Release Timer (0s-99h59m59s), Exposure Timer (0s-99h59m59s), Interval Timer (Time between shots) (0s-99h59m59s), Total Number of Shots (1-399) Backlit LCD Screen, 3 Foot Cord 6" X 1.5" X 0.70"; 3.70 Oz Operates on two AAA Batteries (Included) 1 Year Warranty