The 8' Circle Target is used in conjunction with the Elite Electronic Tennis Scoreboard. Use of the 8' Circle Target encourages players and coaches to think about the most important element in tennis - where will the shot hit the court. The Circle Target encourages players to have a specific shot location in mind whenever they hit a stroke. This product includes the 8' Circle Target, Carrying Case and Transmitter. Please note you must also purchase the Elite Electronic Tennis Scoreboard (#HAC100) for the electronic feedback to work.