The Canon TC-80N3 Timer Remote Control is a remote switch with a 2,6' (80cm) cord and a self-timer, interval timer, long-exposure timer and exposure-count setting feature. The timer can be set anywhere from 1 second to 99 hours, 59minutes, or 59 seconds. Adial enables you to easily enter the numeric settings with a single thumb. The LCD panel can also be illuminated. The rear of the controller has a hole to keep the EOS-3's remote control socket cap. Compatible with EOS-3, 1V HS, 1V, 1D, 1D Mark II, 1Ds, 1Ds Mark III, 5D, 5D Mark II, 7D, 10 D, 20 D, 30 D, 40 D, 50 D, D30, D60 and D2000 cameras. Canon EOS Camera Compatibility EOS-3, 1V HS, 1V, 1D, 1D Mark II, 1Ds, 1Ds Mark III, 5D, 5D Mark II, 7D, 10D, 20D, 30D, 40D, 50D, D30, D60 and D2000 cameras.