Semi-Auto Tee-up Machine   Can store up to 200balls. When a ball is hit from the tee, the ball sensor activates    the rail motor to send another ball to the tee.     Special Feature   Can operate in conjunction with the Front Desk Management System. Consumes little electricity (40w per tee) Ball bax, located sideways reduces the chance of accidents. Sensor-activated auto tee-up system reduces the cycle time   On-ground Semi-auto Tee-up Machine   Golf balls are delivered on the ground and automatically teed-up on the rubber tee    that moves up or down (0 to 60mm)without steps.    Features   Machine height : 151mm Tee-up cycle time : 3.5~4.5 sec. depending on tee height Features : same as underground tee- up machine.   Underground Semi-auto Tee-up Machine   Golf balls are delivered underground and automatically teed-up on the tee.   Features   Machine height : 256mm Features : same as NANO 3000-AT