This is a set including a batting net with an auto-return function, a pitching machine, and balls. It was used for practice outdoors. Therefore, there are some dirt and scratches, but it functions without any problems. AC adapter is not included. It runs on D-cell batteries, which will be included when shipped. Other items listed in the instruction manual are included. There are four balls. It will be shipped in the original cardboard box. The cardboard box is deteriorated, so it will be reinforced before shipping. The contents will be wrapped in bubble wrap. Please understand. Please refrain from purchasing if you are concerned about scratches or dirt, as it was used outdoors.