Name: Self-Regulating Timed Mobile Phone Lock Box Battery Capacity: 400 mAh Product Size: 21*9.3*2.3 cm Material: Plastic, ABS Description IMMEDIATE CHANGE: If your mobile phone habits are interfering with your health, relationships, and responsibilities, it may be time to make a change. Studies have shown that using a timed phone lock box can effectively increase the time spent away from your phone, helping you focus on work, study, and daily life. FIT FOR 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 other similar-sized smartphones. Note: Phones with thick or large cases may not fit. Note: Extra-large or unusually shaped phones may not be suitable for this device. MAXIMUM FOCUS: The opaque design blocks screen notifications to minimize distractions. You can answer or end calls through the clover-shaped window. No external screws ensure added security and tamper resistance. A practical tool to support better digital habits. FAULT TOLERANCE FEATURE: Press and hold the large button for 2 seconds to confirm the timer setting, followed by a 5-second countdown period. 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 urgently. This emergency unlock function can only be used twice in the product's lifetime—use it carefully. PORTABLE WITH LONG STANDBY: Compact and lightweight, similar in size to a smartphone. Fully charged in 30 minutes, it can remain in standby mode 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