The product is mainly developed to acquire information of the staffs in the restricted areas of ports?.It has multiple acquisition modes for real-time recording and saving information of the staffs of ports.?It can be moved safely and easily and conveniently maintained because of its modular design and small volume; it adapts to persons of different body heights because of an adjustable display angle.?It is used in the inspections, monitoring, management and some other work of entry and exit inspection authorities.