High-quality Material: This time lock box is made of plastic, strong, and easy to clean. Versatile Lock Bin: The time lock box helps effectively control and manage your time, manage cell phone usage, reduce excessive smoking, control snack consumption, and limit access to children's toys and game controllers to assist in developing good habits. Unlocking Design: No complex operations—simply set the time. When the set time is reached, the lock box automatically opens. Once locked, it cannot be opened early, so please set an appropriate time. Please Note: The maximum setting time is 999 hours 59 minutes 59 seconds, and the minimum is 1 minute. The box automatically opens when the set time is reached. Prevent Smoking Addiction: Use this airtight timer lock container to support habit formation by securing items such as cigarettes, toys, mobile phones, and snacks. Color: Black Material: Plastic Size: 15cm x 16.5cm Package Contents: 1 x Time Lock Box Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement allows an error of +/- 1-3cm.