EZ Sports tennis ball machine. This is a great tennis machine for kids or beginners. It can help you to practice running left and right, forehand and backhand, lob, volley and can simulate most teaching scenarios. This machine is lightweight and easy to move around. Full function remote control, It is very easy to use. High Spin / Back Spin standard. Two moving wheels with pull handle for easy travel. Removable battery for charging. Battery and charger included Battery: Li-battery 24V5ah, Charger: 25.2V AC110-240V. The machine weighs 28lbs 13.5x12x20 Inches.