Auto-Interactive Fetch Fun: Keeps small/medium dogs happily engaged in fetch, satisfying their chasing instincts while boosting health and intelligence. Upgraded 3-Speed Adjustable Distance: Launches up to 19ft/32ft/45ft (farther than traditional models), fitting indoor/outdoor spaces and dog energy levels. Safe & Durable Design: Includes 6 E-TPU balls (2.2″”-2.3″”)abrasion/bite-resistant, pet-friendly; launcher ensures long-lasting, safe play. Package:Package includes 1 x Auto Ball Launcher, 6 x 2.3-inch balls, 1 x USB cable, 1 x user manual. Can provide your dog long time playing Upgraded materials:The automatic dog ball launcher is versatile enough to provide entertainment indoors and in the backyard, the interactive game strengthens the bond with your puppy and creates memorable moments filled with fun and laughter. Regular exercise is also very important for your dog’s health V tennis balls, ETPU dog balls are more durable, safer, elastic & easy