Win7 and above operating systems, support cards, account passwords, fingerprints, and faces to log in to the main control system. Realize the charging, receiving and returning functions of charging equipment such as walkie-talkies, recorders, pdas, etc., with administrator authority settings, and the administrator can open all cabinets with one key, convenient for operation. The circulation of charging equipment is realized through one item and one code, and the electric control lock automatically opens the door. It is easy to receive and return.