Airsoft Shot Timer is a shot timer design for airsoft IPSC,IPDA shooters. You can change wide range sensitivity setting in different airsoft gunshot sound and environment. Advanced gun shot capturing algorithm detect gunshot for more accuracy and stable dectection. * A shot timer for airsoft guns IDPA IPSC practice * PAR time setting or random PAR * Adjustable sensitivity setting * Auto save records * Delay time setting or random delay time