The Affordable Radar Gun with Professional Performance. The AUS- SRA3000 Radar Gun tracks the speed of just about anything that moves: balls, clubs, bats, runners, cars and more. The AUS- SRA3000 Radar Gun is designed for ease of use. For most applications, just turn it on, point and pull the trigger. For the advanced user, the Tracer has options only found in the top sports guns. A continuous read mode and tripod mounting allow for hands-free operation. Quick read mode allows for accurate measure of club or bat swing speeds. An average speed recall feature, selectable MPH or Km/h speed units, unsurpassed battery life, and more make the AUS- SRA3000 the premier radar gun in its class.