Tennis Training Equipment, 33 Balls High-Capacity, Tennis Pitching Machine, with Weighted Water Bag

"【Specifications】Frequency adjustable : 2s-10s+Capacity : 33 tennis balls(normal)Weight : 4 kg(without extra tracks)Serve Height: 4 ft-6 ftPower supply : 4 x AA size batteriesApplicable ball kind : Tennis balls including red one【Package List】Electric tennis machine X 1AA battery(Two hundred hours of battery life) X 4extra tracks X 1Weighted water bag X 1"

• 【LARGE BALL CAPACITY】: The Tennis Ball Dropping Machine with multitracks can hold 33 normal tennis balls or red tennis balls. No need to pick up the balls often.
• 【PORTABLE AND USER-FRIENDLY】: This small and lightweight machine weighs 4 kg and is equipped with a weighted water bag with a maximum capacity of 7 kg to reduce shaking.
• 【ADJUSTABLE HEIGHT】: The height of the electric tennis ball dropping machine can be 4 FT - 6 FT adjusted, so you can adjust the height of the rebound of the ball.
• 【MULTIPLE SERVING FUNCTIONS】: With a variety of serving functions, the serving frequency is 2-10 seconds, which can help improve players' reaction ability, physical fitness and endurance, help players to standardize basic movements.
• 【BATTERIES-POWERED】: Just 4 AA size batteries are needed. Batteries are not included. Please prepare batteries yourself. You can practise playing tennis in any proper places.