A. ### Product - It is charged by a USB lithium - battery and comes with 3 small buttons for setting hours or minutes. The maximum setting time is 99 hours and 59 minutes. - USB charging can last up to 120 hours. - When the lock is locked, it won't open and can't be opened manually. It is advisable to set the time reasonably. - The combination padlock is lightweight and suitable for airport and travel security. You can lock important items at any time to protect your privacy. B. ### How to reset the timed lock? If you find that you have difficulty operating the timeout setting or the liquid crystal display shows inaccurately, you can reset the timer as follows: 1. Press the center of the liquid crystal display, uncover the protective film and remove it. You will find a small hole under the screw on the left side of the display. 2. Find a metal needle or metal clip and insert it into the hole, then perform the operation. 3. When you hear a “beep” sound (in the audible mode), the liquid crystal display will show correctly. The timeout setting has been successfully reset. 4. Re - attach the protective film. C. ### Product parameters - Weight: 57 grams - Color: White - Material: ABS - Package contents: 1 timed lock Only the above - mentioned package contents are included, and no other products are provided. D. ### Notes Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual one. The allowable measurement error is +/- 1 - 3 cm.