PP-AM-2000-4-MS: Prestan ProfessionalAdult Series 2000 CPR Training Manikins (Includes 4 Professional Adult Series 2000 manikins, 4 Rate / Depth monitors with Bluetooth App. capabilities, breath sensor, piston plug, colour ID labels, 50 - pack adult face-shield / ventilation lung-bags, instruction sheet and carry bag. AA batteries not included).