Posterior Auscultation Practice Board by Life/form 

This unit can be used by itself or added on to your existing training system to give you a more complete 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, easel, and instructions. Smartscope (LF01144U), remote control (LF01148U), and carry case not included. Three-year warranty.