This pickleball tutor can oscillate randomly, firing balls from side-to-side and mimicking a real game. The ball speed is adjustable and accommodates beginners to advanced players. Adjust to shoot out one ball per second down to one ball per 10 seconds. The tutor easily holds up to 125 indoor or outdoor balls and includes a start-up time delay. Rechargeable battery lasts 3 to 4 hours when fully charged. A top handle allows for easy transport. No assembly required. 12"L x 18"W x 20"H; 29 lb.