Progo Brand Premium Grade Shutter Cable Release with Timer and Intervel. Fully compatible with Canon RS-80N3. Works for Canon EOS 1Ds Mark II, 1Ds Mark III, 1Ds, 1D Mark II, 1D Mark II N, 1D Mark III, 1D, 5D, 50D, 40D, 30D, 20D, 10D, D60, D30, D2000, 1v HS, 1v, 3, 5D Mark II, 7D, 5D Mark III The timer can be set anywhere from 1 second to 99 hours, 59 minutes, 59 seconds. The remote has a stylish and ergonomic design, making it a pleasure to use. It has a super large LCD screen. The shutter release button on the remote is a two-stage button: half-pressing the button will cause the camera to focus, and full-pressing will trigger the camera's shutter. Specifications: Timer delay: 0s to 99hrs 59min 59s in 1s incrementsExposure time: 0s to 99hrs 59min 59s in 1s incrementsInterval: 0s to 99hrs 59min 59s in 1s incrementsDelay / Self Timer (DELAY) Just like the self timer on your camera. The TM timer remote switch allows you to set any delay (in 1 second increments) BULB/Long Exposure (LONG) It allows you to take time exposures up to 100 hours in length.Interval Timer (INTVL) The Interval Timer can be set to any time period up to 100 hours as well. If you set it to 10 minutes, for example, one exposure will be taken every 10 minutes until either the film runs out or the Exposure Count limit has been reached. Exposure Count (N) This setting permits you to set the number of exposures that will be taken, up to a total 399Power source: Two AAA-type batteries (Included)Battery life: Approximately two months of continuous shooting with a delay of 5 min, an exposure time of 4 min 56 s, and an interval of 5 minWeight: 90g (without batteries)Approx Size: 150 X 38 X 15 mm