3809BH Tennis Ball Machine

Adjustable Settings: Offers full adjustment from speed (continuously) to angle, ideal for practicing forehand, backhand, flat, slice, and volleys Power Supply: Runs on 8 D batteries (not included) or the provided 12V AC adapter. Portable and versatile. (Remove batteries when using AC power. 12V/18000mAh lithium-ion battery also compatible) Consistent Strikes: High-end motor delivers strikes every 3 to 6 seconds based on the preset interval Expandable Chutes: Spiral ball chutes are available at our Amazon brand store, reducing the need for frequent refills For All Level Training: This machine is designed for all level's tennis practice, take your skill to the next level