Achieve better self-discipline and time management using this phones phone lock box. The timer lock box for students is ideal for restricting access to cellphones, toys, or snacks during study or family hours. Without any complex operations, you can set time, and the box will open when it ends. Foster new habits and enjoy more orderly environment. Features -Color:Black -Material:Acrylic -Size:16.50X14.50X14.50cm/6.48X5.70X5.70in -Note: powered by 2 AAA battery (not included) -Note: Maximum duration: 999 hours 59 minutes 59 seconds, minimum 1 minute. -Simple to operate: with the phones phone lock box, just set the time and forget it; no complex installation or advanced settings are required to get started with effective time control -Safe & stable construction: the timing phone lock box is made from robust materials, and its electronic timed lock box mechanism keeps your valuable items are protected until the timer expires -Versatile applications: from a phone lock box for people to a lock timer box for preventing smoking, the device suits different scenarios and helps control any item you want -Portable & lightweight: this portable phone timer lock is easy to carry in your bag, making it a reusable phone locker -Helps build habits: the self discipline lock box, helping you or your kids to focus on studies, family time, or other important activities Package list: 1 x timed lock box 1 x manual 1 x data cable