Timer delay: 0s to 99hrs 59min 59s in 1s increments.Exposure time: 0s to 99hrs 59min 59s in 1s increments.Interval: 0s to 99hrs 59min 59s in 1s increments.TM-A is compatible with Canon: EOS 5D EOS 1D EOS 1D Mark II EOS 1Ds EOS 1Ds Mark IIEOS 30D EOS 20D EOS 10D EOS D60 EOS D30EOS 40D EOS 5D EOS 1V EOS 3 EOS D2000EOS 1D Mark III EOS 50D EOS 5D Mark II