Mobile phone locker made of aluminum alloy, color one color, size 28*20*40cm. Designed for secure, organized storage and easy transport in classrooms, offices, and training settings. Key benefits Centralized storage for multiple devices reduces distractions and simplifies device management. Secure locking system combines independent padlock design with copper core padlocks; each unit includes two keys for reliable access control. Clear visibility and portability let supervisors check contents at a glance and move the locker between rooms as needed. Supports a range of phone models and multiple slot configurations to match the number of users. Main features Durable construction: aluminum alloy body offers pressure resistance and long term durability. Locking system: independent padlock design equipped with copper core padlocks for improved durability; two keys provided per safe. Numbering and access: padlock and digital number design make it easy to assign and locate slots and to manage stored items. Capacity options: available with 12, 24, 36, 48, or 60 slots to centralize student or staff mobile phones. User friendly: transparent door allows observation of internal items without opening the locker. handle provides convenient carrying for roomtoroom transfer. Specifications Color: one color Size: 28*20*40cm Material: aluminum alloy Lock: independent padlock design with copper core padlocks; two keys included Slot options: 12, 24, 36, 48, 60 Practical use scenarios Classroom: Teachers can collect and securely store student phones during lessons, reducing distractions and simplifying distribution after class. Examination or training room: Centralized control of devices helps maintain exam integrity and prevents unauthorized device use. Office meeting rooms or common areas: Provide a temporary, organized place for staff to store phones during meetings, presentations, or focused work periods. This locker is a practical solution when secure, visible, and portable storage of mobile phones is required.