This is a remote switch with an 2.6ft cord and a self-timer, interval timer, long-exposure timer, and exposure-count setting feature. The timer can be set from 1 second to 99 hours.
The Canon Timer Remote Controller TC-80N3 was designed for the following cameras: EOS-3, 1V HS, 1V, 1D, 1D Mark II, 1Ds, 1Ds Mark III, 5D, 5D Mark II,5D Mark III, 7D, 10D, 20D, 30D, 40D, 50D, D30, D60 and D2000 cameras.
Includes a CR2023 Lithium Battery.