Navigator 500 head mounted computer, fully voice controlled, hands-free, modular design, 40 megapixel high-definition camera, supports noisy industrial environments, can be used with standard helmets, designed for skilled technicians and engineers, used for remote expert guidance of on-site services, equipment inspection, maintenance, and complex manufacturing assembly work assistance. Can be used in industries such as power, automotive, petrochemical, gas, aviation, rail transit, transportation, public security, fire protection, medical, infrastructure, semiconductor, etc.