High-quality Material: This time lock box is made of plastic, durable, and easy to clean. Versatile Lock Bin: The time lock box helps effectively control and manage your time, manage cell phone usage, reduce smoking habits, limit snack consumption, and control children's access to toys and game controllers, promoting healthy routines. Unlocking Design: Simple to use—just set the desired time. When the set time is reached, the lock box automatically opens. Once locked, it cannot be opened prematurely, so please set an appropriate duration. Timer Range: Set time from 1 minute up to 999 hours 59 minutes 59 seconds. The box will automatically unlock when the timer ends. Airtight Storage: Use this timer lock container to store items such as cigarettes, phones, snacks, or toys to support habit control and promote discipline. Color: Black Material: Plastic Size: 15cm x 16.5cm Package Contents: 1 x Time Lock Box (only the item listed; other items not included) Note: Due to light reflection and differences in display screens, the color may vary slightly from the actual product. Measurement allowance is +/- 1-3cm.