Canon TC-80N3 remote controller
The Canon TC-80N3 is a remote switch with an 80cm/2.6ft. cord and a self-timer, interval timer, long-exposure timer, and exposure-count setting feature. The timer can be set anywhere from 1 sec. to 99 hrs., 59 min., 59 sec. A dial enables you to easily enter the numeric settings with a single thumb. The LCD panel can also be illuminated. And 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, 1Ds, 1D Mark II, 5D, 10D, 20D, D30, D60 and D2000.