It's a self-service smart device that uses RFID technology to monitor the contents of the box in real time. It can not only count the number of items in the box in real time, but also provide an alarm prompt for the item that leaves the box without authorization.
Administrator store documents: open the box with card swipe or fingerprint or face verification --- store documents
Administrator retrieve documents: log in, select the file to fetch---verify to open the box---take out the file
Schools, enterprises and institutions, government agencies, public office, law firms and other institutions that need document management