Wear-resistant and Waterproof--Tempered glass panel, wear-resistant and waterproof. Convenient Borrowing--Features QR code scanning; mobile phone can be linked as a library card, and the process can be photographed and saved without a password, simplifying the process. User-Friendly Design--Provides a platform for storing bags and other personal items. Flexible Configuration--Flexible and simple parameter configuration to meet personalized needs. Modular Expansion--Can be embedded with modules such as ID cards and campus cards without affecting aesthetics. Status Visualization--Provides device status indicator lights for clear device status monitoring. Function Expandability--Can be expanded into an RFID + EM dual device. Face Recognition Borrowing--Can integrate a face recognition module for direct "face scan" borrowing.