Feature●PE material, long service life, more durable, simple and easy to learn, suitable for all kinds of people.●Serve : the number of serves is about 15 per minute, and the service machine serves once every 4-6 seconds.●Angle of drop: , serve.●Power supply: 4 AA (you need to bring your own battery).●The number of balls can be loaded: 15 balls for normal use (no table tennis balls).Description