Vaccine Help - The vaccine warehouse entry and exit system combines the PDA-5501 full network 4G multi-function data terminal to provide comprehensive support for vaccine scanning and supervision of warehouse exit. The powerful performance and high-speed network connection of the PDA-5501 terminal elevate vaccine inbound and outbound management to a new level. There is no need for cumbersome paper records anymore, and real-time tracking of the incoming and outgoing vaccines can be achieved. The intelligent scanning function makes the operation faster and the data more accurate.