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.