Name: Self-regulating timed mobile phone lock box Battery capacity: 400 mAh Product size:21*9.3*2.3cm 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 some changes. Studies have shown that a mobile phone cord case with timer can effectively increase your time away from your phone to focus on work, study and life! FITS MOST CASELESS PHONES: The internal dimensions of the phone lock case with charger are approximately 6.77 x 3.35 x 0.63 inches, 14/14 Pro/14Pro Max/13/12/11/X/XR/XS/8/7/6 plus, and more. Note: Phones with thick and large cases may not fit the case. Note: Thick and large mobile phones may not be suitable for this mobile phone sol case Maximum focus: the opaque box keeps you from noticing notifications on the lock screen; you can answer/hang up calls from the four-leaf clover window; there are no screws on the outside, making it hard to break it. Powerful strategies for better habits Fault Tolerance: Press and hold the big button for 2 seconds to confirm the time setting, then there will be a 5 seconds countdown hesitation period. During the hesitation period, you can cancel the setting by clicking any button, otherwise it will be locked. As a last resort, press and hold the big button for 10 seconds to unlock it urgently, you can only use it twice in your life, please use it carefully! PORTABLE LONG STANDBY: Compact and light weight, similar to a mobile phone, 30 minutes full can standby for 30 days. Feel to bring the lockable storage box to the office, classroom, library and study room Product List. Self-discipline timer mobile phone lock box *1