HIGH QUALITY METAL: Unlike other time lock boxes on the market, this time locking container is made of high-quality metal, providing sturdy and durable construction that is not easily broken or damaged. The phone lock box has a volume of 2.6L and measures 8.35 x 3.15 x 6.07 inches, making it suitable for school cabinet shelves, classrooms, homes, kitchens, bedrooms, offices, and more. 2 WAYS OF POWER SUPPLY: This phone lock box offers two power supply options—powered by 4 x AA batteries or via an external Type-C port. If the batteries lose power during operation, the backup power option ensures reliable performance. SAFE LOCKED BOX: This lock box serves as a practical tool for managing distractions from phones, gaming devices, and electronics, especially for individuals who struggle with self-control. It features a child lock button designed to prevent accidental pressing of controls, helping avoid unintended locking. MULTIFUNCTIONAL PRACTICAL & USER-FRIENDLY DESIGN: Featuring larger function buttons and a responsive digital display, this time lock box is easy to operate. It supports habit-building by helping limit overuse of electronics, cellphones, or other personal items during work, study, or social activities. It can also be used to securely store medicine or other small items. BUILD GOOD HABITS: Excessive use of mobile phones, gaming devices, smoking, drinking, or consuming junk food can negatively impact health and daily life. The time lock box allows locking durations of up to 365 hours, supporting structured routines and positive behavior changes. Color: White Material: Plastic Size: 212 x 80 x 154.2mm Package Contents: 1 x Timed Lock Box 1 x USB Cable Note: Light reflection and differences in display screens may cause slight variations between the color shown in images and the actual product. Measurement errors of +/- 1-3cm may occur.