The Anterior Auscultation Practice Board can be used by itself or added on as an option to enhance your auscultation training station. Features 12 posterior lung locations: six upper posterior, four lower posterior, and two mid-auxiliary. Includes 16" x 20" posterior board, adhesive patches to attach to case (if desired), and vinyl carry case, easel, and instructions. SmartScope and remote control are included. Five-year warranty.