[Sturdy and Durable Metal Texture]Our timer lock box is made of sturdy and high-quality metal material, ensuring long-lasting durability and providing a secure storage solution for your items. Once the box is locked, it cannot be overwritten. [Powered by Battery or USB Connection]Many customers complained that they could not unlock the phone lock box if the battery ran out. Our phone locker has solved this problem. It's powered by 4 AA batteries (not included), and we also provide an external Type-C port in case the battery dies. So even if the battery dies during locking, the timed-release lock box can still be unlocked via external USB-C power in an emergency. [Audio Alerts and Extendable Lock Time]The timed locker will beep 7 times when the lock is about to be activated, and 1 beep when the lock time is over, which can serve as a useful reminder of the lock box status. You can also turn off audio prompts if desired. This mobile jail allows you to increase the time remaining before unlocking. The maximum lock time is up to 365 days. It's great for short-term goals and long-term commitments. Safety Lock Box: A creative and meaningful tool for those everyday cell phone/game/electronics addicts that can be used to lock away tempting items when your child lacks self-control s things. And our mobile phone lock box is designed with a child lock button, which can effectively prevent children from pressing any buttons at will, causing unnecessary locks. Multifunctional, practical and user-friendly design: In addition to larger function buttons and responsive customized digital display, our multifunctional user-friendly time lock box is very easy to use and helps us change bad habits at work, study Or for people who overuse electronics during social activities, are addicted to video games, or are distracted by their phones, it can also be used as a medicine lock box. color: Black material: metal Package Contents: 1 x lock box 1 x power cable 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!