High-Quality Material: This timer lock box is made of plastic material, durable, and easy to clean. Practical Lock Container: The timer lock box helps effectively manage and control your time, monitor mobile phone addiction, prevent excessive smoking, control your lunch intake in a reasonable way, and manage toys and game controls for children to provide a new way to help your child develop good habits. Unlock Design: No complicated operations, just set the time. When the set time is reached, the lock box opens automatically. When locked, it cannot be opened, so set a reasonable time. Note: The maximum setting time is 999 hours 59 minutes 59 seconds; the minimum is 1 minute. It opens automatically when the set time is reached. Prevent Smoking Addiction: Use this airtight timer lock control to develop good habits and lock away addictive items like cigarettes, toys, mobile phones, snacks, etc. Color: White Material: Plastic Size: 15cm x 16.5cm Package Contents: 1 x Timer Lock Box Only the above package contents are included; other products are not included. Note: Light reflection and different screens may cause the color of the item in the picture to differ slightly from the actual product. The allowed measurement error is +/- 1-3cm.