Includes a removable mouth/nosepiece, so each student has their own that can be decontaminated for reuse. The non-rebreathing airway systems are replaced at the end of every training day. Manikins offered "with electronics" indicate with a light signal correct hand position and adequate depth of compression and ventilation. Approximate age: 7 years. Latex free.Size: 28" x 17" x 10". Sh. wt. 11 lbs.