Lobster Sports Elite Three Tennis Ball Machine with Elite 10-Function Remote Control Designed for maximum durability, its 44-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 Oscillation: Random, horizontal, vertical, horizontal & vertical speed: 20 to 80 MPH ball capacity: 150 feed rate: 2-10 seconds power: battery court time: 4-8 hours elevation: electronic0-50 degrees Includes Elite 10-function remote Control Includes basic battery Charger