Name: Self-Regulating Timed Mobile Phone Lock Box Battery Capacity: 400 mAh Product Size: 21 x 9.3 x 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 time away from your phone, helping you focus on work, study, and life. FITS MOST CASELESS PHONES: Internal dimensions 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 other similarly sized phones. Note: Phones with thick or large cases may not fit. MAXIMUM FOCUS: The opaque design blocks screen notifications; the viewing window allows you to answer or end calls. No external screws, enhancing security and durability. A practical tool for building better daily habits. FAULT TOLERANCE: Press and hold the main button for 2 seconds to confirm timer settings, followed by a 5-second countdown period. During this time, any button press cancels the lock. If needed, press and hold the main button for 10 seconds to perform an emergency unlock. This emergency function can only be used twice in the product's lifetime—use with caution. PORTABLE WITH LONG STANDBY: Compact and lightweight, similar in size to a smartphone. Fully charges in 30 minutes and supports up to 30 days of standby time. Ideal for use in offices, classrooms, libraries, and study rooms. Package Includes: Self-Discipline Timer Mobile Phone Lock Box x1