Features: Automatic timer, it can set delay time, exposure time, interval time, continuous AF and number of shouts for timed interval photography. It supports manual release, photographs can be taken manually even when the timer is running. The time is settable in 1 second increments, units from 1 second to 99 hours, 59 minutes, and 59 seconds. Equipped with LCD screen. Compatible with: C3-Canon EOS Mark II, 1Ds Mark III, 1Ds, 1Ds, 1D Mark IV, 1D Mark II N, 1D Mark III, 5D Mark II, 1D, 5D, 7D, 50D, 40D, 30D, 20D, 10D, D60, D30, D2000, 1v, HS, 1V. Specifications: Time delay: 0s to 99hrs 59min 59s in one-second increments Interval Timer: 1s to 99hrs 59min 59s in one-second increments Exposure Timer: 0s to 99hrs 59min 59s in one-second increments Number of shots: 1 times to 399 times Power: 2 * AAA batteries (not included) Operating temperature: -20-/+50 degree Item size: 15.5 * 4 * 2cm / 6.1 * 1.6 * 0.8in Item weight: 64g / 2.3oz Package size: 16.5 * 8.2 * 3.7cm / 6.5 * 3.2 * 1.5in Package weight: 126g / 4.5oz Package List: 1 * Remote Shutter Controller 1 * Cable (camera and controller) 1 * User Manual (English & Chinese)