Heater Sports Crusher Professional Mini Lite-Ball Pitching Machine with BONUS Steel Tripod & 8 Hour Battery Includes two 4 hour crusher batteries (8 hours of battery life) and uses standard A/C power Auto-ball feeder pitches every 9 seconds and pitches up to 45 MPH Dual variable speed controls pitches curve balls and fastballs Features a 2 dozen ball automatic feeder Pitches mini lite-balls (sold separately)