Shot timer IPSC: Competition shooting timer.
Shot timer IPSC is a program that responds to sound of gunshots, recording the time that they occur. Shot timer also can give a start signal and capable of producing a stop signal.

A shot timer is one of the very best pieces of firearms training gear. To advance your skill, you must be able to measure it. One way to gauge your ability is with a target. It will tell you how accurately you are shooting and if you have any problem areas. But while targets will tell us how accurately we are performing a task, it will not tell us how quickly.