Application ：
◎Airport、station、dock、bus stand、community、office building 、government department building 、factory、customers、military installations, and numbers of passageway channel management
◎Metro、high-speed  rail、convention centre、natatorium ,skiing hall, skating rink, museum , library, television station ,tourist attractions and number of passageway channel management.
◎Time attendance of exit& entry, access control ,consumption passageway management of enterprise and public institution.