Measure your ball speed in a variety of sports with the OnCourt OffCourt Radar Coach. Multisport use: measure ball speed for tennis, pickleball, golf, softball, badminton, baseball and more! Detect speed, spin and bounce of the ball for accurate feedback. Easy to use - simply place the unit behind the net or goal using the included tripod and a pre-recorded voice will announce the ball speed over the built in speaker.