The IDOGMATE Small Dog Ball Launcher is an automatic dog ball thrower that comes with three balls of 1-3/4 inches. The device features a rechargeable lithium-ion battery that supports up to 250 shots per full charge, and the durable and washable ball for both hard chewy and play. The LCD remote control allows you to adjust the speed level options and also pause, rest, and train modes. The device has a durable, arced wheel design to prevent a wet or slobbery ball from getting stuck, and the launcher also features a rechargeable battery as well.