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 time, limit cell phone use, reduce smoking frequency, regulate snack consumption, and restrict children's access to toys and game controllers, promoting 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. Time Settings: Timer can be set from 1 minute up to 999 hours 59 minutes 59 seconds. The box automatically unlocks when the set time elapses. Airtight Storage: This timer lock container provides secure storage for items such as cigarettes, phones, snacks, and toys, helping develop self-discipline. 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.