Indoor Full-Auto Tee-up System   When a ball is hit from the tee, the ball sensor acrivates    the rail motor to send another ball to the tee. Requires    100 balls per tee.    Special Feature   Low noise and low inverstment cost devoid of conveyors. Can be operated in conjunction with Front Desk Management System. Requires vary little electricity (40W per tee) Ball collection channel not required. High durability utilizing full-auto tee-up system. Can accommodate single tee box in a limited space.