VERSATILE - Tosses PICKLEBALLS and regular and oversize TENNIS BALLS. FEATURES - Ball toss adjustable from 12 to 20 feet. Throws a ball every five seconds. Holds 28 balls. Weighs just 11 lbs. BATTERY POWERED - Typically operates eight to ten hours on six new ‘D’ size alkaline batteries (not included). THREE YEAR WARRANTY - check this against no warranty for many offshore brands. We can offer this long warranty because we are MADE IN THE U.S.A. Multi-Twist was designed especially for beginning tennis players.