Gives numbered shot velocities. Velocity stays on display until you shoot again. Uses one 9V battery. 60 shot memory (divided into 6 numbered strings from 2 to 10 shots each, with statistics for each). Measures high, low and average velocities as well as extreme spread and standard deviations. Retrieval of individual shot velocity measurements. Delete individual shots from memory (with automatic adjustment of statistics). Includes remote control with close up read out and 18 ft cord. Can be switched off for later reviewing of information or downloading onto computer.