Timer Lock Box: Set timer from 1 minute to 12 days. The container remains locked until the timer expires. Self-habit improvement tool to gradually enhance willpower. Help achieve a healthier, happier, and calmer life. LARGE SIZE STORAGE CABINET FOR PLACEMENTS: The generous size of this lockable box makes it perfect for school cabinet shelves, home, kitchen, bedroom, office, clinic and more. External dimensions: 31x 14x 20cm. Self-control: Preventing and treating mobile phone addiction, preventing excessive smoking, reasonably controlling snacks, and controlling children's toys and game controllers are all interesting ways to control addiction and develop good habits. Unique unlocking design: No need to perform any complicated operations, just set the unlocking time. When the set time is reached, the lock box will automatically open. The container cannot be opened after it is locked, please set the time appropriately. Versatility: Create good habits by using lockable containers and lock away addictive items like cigarettes, toys, cell phones or snacks, etc. Perfect for dinner or family time. color:Black material: plastic Package Contents: 1 x Digital time lock box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.