Take your batting and fielding practice to the next level with this upgraded electronic baseball pitching machine designed specifically for beginners and youth players. Featuring an innovative dual wheel system this machine allows for full adjustment of both speed and angle on each side wheel enabling players to practice a wide variety of pitch types including fastballs curves and sliders. The machine reaches a maximum speed of thirty miles per hour using the eight included high quality polyurethane dimpled balls which are engineered to be sting free and safe for use with all types of bats. For ultimate convenience this versatile unit can be powered by four D batteries for portability at the field or via the included 6V Ac adapter for continuous sessions in the backyard. Please note that this machine is designed exclusively for use with specialized training balls and is not compatible with regulation baseballs.