Features: [SelfControl]: It's suitable for people who are addicted to games, night owls and lack of selfdiscipline. Reduce the time of watching mobile phone, control children's toys, go to sleep early, improve sleep quality, and have a more style. Better time management, improve work efficiency and focus.[Intelligent Timing Function]: Put your phone or thing into box and close the cover. Press the lock button to start the machine, then set the time, and doublepress the lock button, 10 seconds countdown, locks automatically, easy to use.[Fits for Most Mobile Phone]: Maximum Setting Time 99 hours and 59 minutes. The internal space size is about 18.3 x 8.7 x 1.5cm / 7.2 x 3.4 x 0.6in, compatible with most mobile phone such as for i Phone XS Max/XS/XR/X/8/7, for , for , etc.[Builtin Battery]: Builtin 900mAh rechargeable battery, 4 hours charging time, 30days standby time. Support mobile phone face up or face down. The locker box cover has several holes, if the mobile phone is face up, some functions of the mobile phone can be operated.[Fashion and Portable Design]: Made of highquality material, compact and durable. Fashion a simple appearance design, portable and , easy to carry. Suitable for children, adults and family use.Specifications:Name: Smart Phone LockVoltage Input: DC 5V/0.5ACharging Port: TypeC and LightningBattery: 900mAh,3.7VCharging Time: 4 HoursEndurance Time: 30daysStorage Temperature: 20 65Working Temperature: 10 50Maximum Setting Time: 99 hours and 59 minutesInner Size: 18.3 x 8.7 x 1.5cmExternal dimensions: 191 x 120 x 24mmMaterial: plasticcolour: transparentPackage Contents:1 x Timer Phone LockerOnly 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 +/ 13cm.