The Lobster Elite 1 Tennis Ball Machine with Remote Control offers a full corner-to-corner sweep that will challenge a wide range of players from advanced to beginners alike. Designed for maximum durability, its 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. Gain greater control of your training regimen with the battery 2-function remote control. It controls both the feed and the sweep. This option may be installed by the owner after purchase. Or individuals may ship their machine to Lobster for a factory authorized upgrade. The remote control function allows you the coach to easily and simply control the ball machine from distance to allow for individual practise or one on one sessions.