Two-way Permits are Exit-Entry Permits for Travelling to and from Hong Kong and Macao, which are particularly provided for passengers to inquire about their records of entry into or exit from Hong Kong and Macao.?Mainly made up of a Two-way Permit recognition system, a fingerprint recognition system, and a Two-way Permit self-service inquiry system, it reads the information on Exit-Entry Permits for Travelling to and from Hong Kong and Macao and reminds passengers to receive fingerprint verification. After that, it inquiries about passengers¡¯ entry and exit records according to the information on their Exit-Entry Permits for Travelling to and from Hong Kong and Macao. Passengers can print the inquiry results.