The Sports Sensor Paintball Chronograph fits in the palm of your hand so you can take it anywhere. It's a great item for referees to instantly check markers right on the field. Comes with instructions and a hardy plasitc carrying case with foam interior for protection. It measures speeds from 150 to 450 f.p.s. Runs on a 3-volt lithium battery that provides around 30 hours of operating time. Size:
-2 1/2" x 3 1/2" x 1 3/16"