Name: Self-Regulating Timed Mobile Phone Lock Box Battery Capacity: 400 mAh Product Size: 21*9.3*2.3 cm Material: Plastic, ABS IMMEDIATE CHANGE: If your mobile phone habits are interfering with your health, relationships, and responsibilities, it may be time to make changes. Studies have shown that a timed phone lock box can effectively increase the time you spend away from your phone, helping you focus on work, study, and life. FITS MOST CASELESS PHONES: The internal dimensions of the phone lock box are approximately 6.77 x 3.35 x 0.63 inches, compatible with iPhone 14/14 Pro/14 Pro Max/13/12/11/X/XR/XS/8/7/6 Plus, Motorola, and more. Note: Phones with thick or large cases may not fit. MAXIMUM FOCUS: The opaque design prevents you from seeing notifications on the lock screen. You can answer or hang up calls through the clover-shaped window. No external screws, making it difficult to tamper with. A powerful tool for building better habits. FAULT TOLERANCE: Press and hold the large button for 2 seconds to confirm the time setting. A 5-second countdown hesitation period will follow. During this time, you can cancel the setting by pressing any button. If not canceled, the device will lock automatically. As a last resort, press and hold the large button for 10 seconds to unlock in emergency mode. This emergency unlock function can only be used twice in the product's lifetimeuse carefully. PORTABLE AND LONG STANDBY: Compact and lightweight, similar in size to a mobile phone. Fully charges in 30 minutes and can remain in standby for up to 30 days. Convenient to carry to the office, classroom, library, or study room. Package Includes: Self-Discipline Timer Mobile Phone Lock Box *1