SHOOT RS-80N3 Timer Remote Control for Canon EOS1V / 31D / 1Ds / 1DSMark II / 1Ds Mark III / 1D Mark II / 1Ds Mark III / 7D / 5D MARK II / 10D / 20D / 30D / 40D / 50D / 5D / D60 / D50 Functions as a timer remote and can be programmed to function as an intervalometer. 4 Modes: Self Timer (0s-99h59m59s), Exposure Timer (0s-99h59m59s), Interval Timer (Time between shots) (0s-99h59m59s), Total Number of Shots (1-399) Shutter release button supports half-pressing to focus and full-pressing to trigger Easy dial for entering numeric settings. Backlit LCD display panel gives you a better visual reference.