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 time, limit cell phone use, reduce smoking frequency, manage snack consumption, and restrict children's access to toys and game controllers to support the development of healthy habits. Unlocking Design: Simple operation—set the desired time, and the lock box automatically opens when the time is reached. Once locked, it cannot be opened prematurely; please set an appropriate duration. Timer Range: Set time from 1 minute up to 999 hours, 59 minutes, and 59 seconds. The box automatically unlocks upon completion. Habit Control: Use this airtight timer lock container to store items such as cigarettes, mobile phones, snacks, or toys to encourage better daily routines. Color: Black Material: Plastic Size: 15cm x 16.5cm Package Contents: 1 x Time Lock Box (other items not included) Note: Due to lighting and display differences, the actual color may vary slightly from the image. Measurement error allowance is +/- 1-3cm.