Product Description Increase the abilities and knowledge of your referees. Senior referees can now share their knowledge in real time with RefCom, an affordable one-way communication tool. Mentors and Referee Instructors can give subtle instruction and tips during the game from a distance of 200 yards. RefCom allows you to communicate, train and develop up to three officals at one time. It is the most advanced method of teaching, mentoring or upgrading referees. Features: Voice transmission in real-time 200 yard range Separate or shared channels Clear sound Durable and affordable Additional Details ------------------------------ Product description: Product Description Increase the abilities and knowledge of your referees. Senior referees can now share their knowledge in real time with RefCom, an affordable one-way communication tool. Mentors and Referee Instructors can give subtle instruction and tips during the game from a distance of 200 yards. RefCom allows you to communicate, train and develop up to three officals at one time. It is the most advanced method of teaching, mentoring or upgrading referees. Features: Voice transmission in real-time 200 yard range Separate or shared channels Clear sound Durable and affordable