Tennis practice for those machine tennis partners for Japana (Japan). can be practiced in < hr size = 1 color = #DDDDDD > tennis for those machine. Tennis tennis ball support! Suitable for form creation. * For practice balls and another selling urethane ball. * Tennis ball cannot be used. Adjustable launch angle! Continuous ball can be hammered! 1.0 kg super lightweight slim body! < hr size = 1 color = #DDDDDD > ♦ ball trajectory: distance / height of about 2.0?2.8m about 1.3?1.7m (depends on the battery capacity. ) ♦ continuous launch: when using alkaline batteries: approximately 2,500 rounds (depending on battery capacity. ) ♦ material: pp / body pole rail/polypropylene ♦ assembled size: height approximately 39 × width approximately 25 x depth 35 cm ♦ weight: main unit approx. 1.0 kg ♦ use battery: battery 4 battery (sold separately) ♦ tennis partner practice NET (sold separately) and connect even more useful! * Auto-return method, continuous practice will enable further! [Milled number] on the lanes: 8 internal 3 11 total frequency of balls hammered about 6 seconds * ball toss blooper launched at will. Use * for the ball only to please do not. * Not supplied with batteries and ball. Ago using the instruction manual must be read.