Vivid and lifelike: Insert simulation based on human anatomy, realistic texture, uniform skin color, and lifelike appearance design. High Quality: Made of high-quality material, no odor, and environmentally friendly. Realistic tongue, mouth, throat, larynx, chowder vocals, trachea, oral and nasal prongs. Alarm clock function: When the intubation is correct, the lungs will emit a light display and tone. If the esophagus is incorrectly inserted, an alarm and light will sound in the abdomen. When the teeth are compressed, a light warning will appear. Observe and compare to the normal side and the other side becomes college student. Correct operation: Pass air into the respiratory tract or esophagus, and directly observe the expansion of the lungs and stomach to confirm whether the insertion and withdrawal position is correct. Wide range of uses: This intubation model is mainly used for anesthesia recovery teaching, guiding and training students in tracheal intubation operations. Suitable for students, clinical personnel, and on-site emergency personnel training. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: 100-220V Colour:Photo Color Material:Silica gel Package Contents: 1x Intubation Model Teaching Model Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.