Neewer Digital Timer Remote For Pentax K100D,K110D, K10D,ist Ds2,ist D,ist Ds,ist,istDL,ist DL2 Full functions supported as the camera shutter switch (with halfway or complete pressing) Functions as a timer remote and can be programmed to function as an interval met Design for group, macro, long exposures, continuous, motion shooting, etc. Energy saving design, can be use for long time This digital timer remote is designed to trigger a camera shutter with regular time intervals, featuring self-timer, interval timer, long-exposure timer, and exposure-count settings.