Solid Metal Construction - Crafted from solid metal for enhanced security and durability. The inner dimensions are 8.03x5.33x1.97 inches. Dual Power Options - For daily use, the lock box operates on 4xAA batteries (not included). An external USB-C port is provided to supply power and unlock the box in case of dead batteries. Non-Override Time Lock - This is a self-discipline tool. Once the timer is set and activated, it cannot be overridden until the time ends. The unit will emit seven audible beeps before locking commences, during which time the lock can be cancelled by pressing any button. Charging Cable Port and Child Lock - A dedicated hole allows a charging cable to pass through for powering devices inside. A child lock button prevents unintended access, adding an extra layer of security. Promote Self-Control - This time locking container is a tool for managing screen time, resisting addiction, and controlling impulses by limiting access to distractions. It can secure a cellphone, snacks, medicine, alcohol, keys, or a game console. Colour: Black Material: Metal Package Contents: 1 x Time lock box Only the above package content is included. Other products are not included.