Specification Brand : IMOSEI BulletPoint1 : 【50 Ball Capacity】The automatic tennis ball launcher can hold up to 50 tennis balls; DC 24V is convenient for fast charging at any time, and the power bank can provide 2-4 hours of battery life; Improve training efficiency and perfect skills. BulletPoint2 : 【Mobile APP Control】Remote control and APP dual mode control, freely adjust the frequency, speed, rotation, depth, random and other modes that suit you, increase the difficulty of the challenge. BulletPoint3 : 【Multiple serving functions】With a variety of serving functions, the serving frequency is 1.5-10 seconds, which can help improve players' reaction ability, physical fitness and endurance, help players to standardize basic movements, practice forehand and backhand. BulletPoint4 : 【Automatic Ball Launcher】Helps you solve the problem of machine movement by attaching the wheels to the bottom of the machine, so you can easily push it to the side. Imitate hand throw, high pressure volley, horizontal swing multi-line ball, angle, speed and spin can be changed. BulletPoint5 : 【Durable Tennis Ball Machine】There's nothing worse than lugging a non-working ball machine to your local landfill, so be sure to smell the exterior of the equipment itself and see if the internal work is protected, make sure you can practice. ExternallyAssignedProductIdentifier : 4865435436321 ItemName : IMOSEI Tennis Training and Teaching Ball Machine, Portable Tennis Ball Machine, with Remote Control & APP, Adjustable Launch Angle, 1.5-10 S/Ball, for Beginners Solo Training Sports ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : tennis-ball-machines Manufacturer : IMOSEI PartNumber : ES6YD02237663 ProductDescription : Features: 1.The whole machine weighs only 10 kg and is equipped with a towing wheel and a pull rod. 2.The battery compartment allows easy access to the lithium battery. It can also be loaded inside the machine. 3.It is small in size and easy to carry. It is designed to be integrated into the machine and can be used immediately upon receipt without installation. 4.Basic movement shaping training, advanced exercises for beginners