- This product has been used briefly about 10 times in total. - Compatible with balls approximately 49.3mm in diameter. - Ease of Use: With simple operation and a user-friendly design, the ball thrower is easy to operate, providing enjoyment for both you and your pet. - Sturdy Construction: The dog launch toy is built to last with a sturdy and safe construction, designed to withstand rough play and minimize the risk of injury. - Adjustable Range: Featuring adjustable distance settings, the dog ball thrower caters to various activity levels and requirements of dogs. - The automatic ball launcher has three different range distances: 3m, 6m, and 9m (9.84/19.69/25.53 feet), suitable for various indoor space sizes.