Franklin Sports MLB All Team Logo Ball Pitching Machine features 3 speeds: 10mph, 15mph & 20mph, it has a 3 position pitch angle adjustment, red light flashes to indicate pitch release Ball pitches every 5 seconds ; Replacement foam balls available #14941 Telescopic ball feeder expands to hold 9 balls, includes 4 foam balls Requires 4 "C" size alkaline batteries-NOT included Power adaptor sold separately: Input: 120V AC 60Hz 100mA ; Output 6V DC 800ma