The Vevor Tennis Ball Machine features a durable ABS shell and polymer composite wheels, reducing wear on tennis balls for extended use. Its 16AH lithium battery offers 6-8 hours of operation, while the TenniSmash Remote app allows easy control of serve speed, frequency, and mode. Weighing only 40 pounds, it’s portable with wheels and a handle for easy transport. The detachable hopper holds 150 balls, making it perfect for both beginners and professionals.