lt has the body shape and appearance of an Asian adult. The system is wirelessly controled by computer.There is buif-in lithium battery for power supply and respiratory system. Chest rise and falls could be seen during respiration.t could be colocated with medical equipment like,ECG monitor,12-lead electrocardiography, defibrillation pacing monitor,etc.lt achieves man-machine interaction, which supports inguiry training. it is available to set up conversation, operation process, video recording and replay.