Net Playz Multi-Sports Personal Speed Radar Detector Gun, Measurement Baseball Pitching, Bat Swinging and Soccer Shooting Speed Records instant and accurate speed readings from 3 to 150 mph Speed recall feature stores the last 10 recorded speeds Voice notification announces speed reading Bright led display for easy visibility, set from distance, needless to hold radar sport detector gun Displays miles per hour and kilometers per hour This is for non professional and leisure training.