The Lobster Elite 1 Portable Ball Machine is the perfect choice if your focus is having fun and improving your tennis game with an affordable battery-operated tennis ball machine! Enjoy playing against such advanced features as full corner-to-corner random oscillation to help you work on your forehands and backhands, up to 60 degree lobs to practice your overheads - a feature not available on any other ball machine, speeds of up to 80 miles per hour to improve your reaction time, and heavy top and back spin choices to perfect your ability to return whatever comes your way. The full corner-to-corner sweep of the Lobster Elite Model 1 will challenge a wide range of players from advanced to beginners alike. Designed for maximum durability, the Lobster Elite Model 1 features a light weight 42-pound ergonomic design and oversized-wheels allow for easy transport, even with a full hopper of 150 balls. A 4- to 8-hour battery helps ensure plenty of court time between recharges. If you want additional oscillation features, find out how the Lobster Elite 2 and Lobster Elite 3 models may better fit your playing needs.