100% Full compatibility with Canon RS-80N3/TC-80N3 original controllers - Compact multiple features in one design: focus shutter bulb self timer interval shutter release exposure timer multiple exposure timer and some other features - Precision digital timers built-in - Timer range for all features: from 1 second all the way up to 99 hours 59 minutes and 59 seconds - Interval filming with configurable time interval (perfect for time elapsed photography) - Bulb control (up to 100 hours exposure time) - Supports interval based multiple exposure control (up to 399 exposures) - Designed to work on the following SLR and Digital SLR camera models: Canon EOS 5D 1D 1D Mark II 1D Mark III 1Ds 1Ds Mark II Canon EOS 30D 20D 10D D60 D3030D5D 40D Canon EOS 1V EOS 3 EOS D2000