The JJC® TM Multi-Function Timer remote control provides a simple trigger function and can activate the bulb function on cameras. It also functions as a timer remote and can be programmed to function as an intervalometer. The JJC® TM is a remote control with an 90cm 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. The maximum number of exposure is 399. Compatible with remote switch model: CANON TC-80N3 CANONEOS 20Da EOS 6DEOS 1D CEOS 1D Mark II NEOS 1D XEOS 5DEOS 1DEOS 1D Mark IIEOS 1DsEOS 1Ds Mark II EOS 30DEOS 20DEOS 10DEOS D60EOS D30EOS 40DEOS 5DEOS 1VEOS 3EOS D2000EOS 1D Mark IIIEOS 50DEOS 5D Mark IIEOS 7DEOS 1D Mark IV