Thank you for viewing. Includes: * Main unit x 4 * Screws 2 x 4 * Instruction manual x 4 These items are as shown in the photos and title. Although unused, they have been stored in plastic, and some dirt has entered through the air holes. Therefore, the condition is listed as "like new." They will be wrapped in cushioning material and shipped via Yu-Packet Plus. We look forward to your purchase if you have the knowledge and understanding. Thank you.