A SHOOTING CHRONY® chronograph completes your Ammo/Gun/Reloading needs at an affordable price. It can go with you anywhere. Just unfold (like a book), mount onto a tripod or place on a table, insert diffusers (if required) and shoot in less than 2 minutes. * Gives numbered shot velocities * Velocity stays on display until you shoot again * Stereo Jack for optional Remote Control or Printer * Upgrades to any model. To upgrade to Alpha Chrony memory and statistics, contact us to order the Remote Control * Uses one 9 volt alkaline battery with 48 hours of continuous use. * ONE String, from 2 to 32 shot memory (Numbered) * Measures High, Low and Average Velocities, Extreme Spread and Standard Deviations. * Retrieval of individual shot velocity measurements * Delete individual shots from memory (with automatic adjustment of Statistics)