An intubation device is provided. An intubation device comprises a movable guide configured to guide an insertion of an endotracheal tube into a trachea of a patient, the guide having a guide extension and a guide tip; an external trachea identifier source external to the trachea and disposed on the patient during an intubation, wherein the trachea identifier source generates and transmits a signal; at least one trachea condition sensor disposed on the guide tip to detect the signal generated by the trachea identifier source; and a guide control device operatively coupled to the guide, the guide control device configured to move the guide into the trachea in response to the detected signal.