Shooting Chrony Model F1 Chronograph
The Shooting Chrony Model F1 Chronograph gives numbered shot velocities. Velocity stays on display until you shoot again. Comes with huge 14-1/2 x 14-1/2 inch triangular shooting area with a Stereo Jack for optional Remote Control or Printer. Uses one 9 volt alkaline battery with up to 48 hours of continuous use.