Characteristics:There may be training operations to oral nasal intubation and teaching demonstration.During training operation to the oral and nasal intubation, insert the correct functioning of the respiratory tract, the electronic display and music playback function to the lungs inflate gas.driving operation for oral and nasal intubation, incorrect operation inserts the esophagus, the electronic display and the alarm function. Expansion of stomach gas.An error that causes tooth laryngoscope pressure, electronic alarm function.Observed and compared to the normal side and the other side becomes large pupils.Characteristics:Voltage: 110-220VProduct Weight: 18 lbsShipping Size: 22.83 "x 13.39" x 17.7 "The package includes:1 x Intubation of airway management trainer