Please note that the quantity you receive depends on the quantity you choose. The number of titles only the maximum number of links. STIMULATE DOGS MIND automatic ball launcher challenging them to learn something new. Plays fetch with your dog, interactive features aid in training. ADJUSTABLE DISTANCE SETTING make it throw 10ft, 20ft or 30ft. Great training tool for both older dogs and as a way to tire out energetic puppies. ENTERTAIN & EXERCISE your pet indoors and outside with the all for paws automatic fetch ball launcher,this is the premium choice in automatic fetch games. BALL LAUNCHER INCLUDES 2inch Mini tennis balls, ideal for a game of fetch. Works with 3 pcs 3.7V 2200MAH lithium batteries ( not included ), or with AC adapter (included). After-sales-If you have any questions about our products, please contact us in time.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience.