When the lock is locked, it cannot be opened and it is impossible to pick it open by hand. Please arrange your time reasonably.Lithium battery charging, has screen and 3 small buttons to set hours or minutesThe padlock combination is lightweight and suitable for airport and travel security. You can lock your important items at any time to protect your privacy. 1: Press the center of the LCD screen to peel off the protective film and tear off the film. You'll find a stop under the screw on the left side of the screen.2: Find a metal pin or metal clip, insert it into the hole as far as it will go, and run.3: When the "Bi" sound is heard (in sound mode), the LCD screen will display correctly. The timeout was successfully reset.4: Please reattach the protective film. Note:Package includes: electronic lock*11. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding.2. Color may vary due to different monitors, please understand.Notice:Hello, please pay attention to your delivery address when purchasing products. If your delivery information (such as name, street, house number, doorbell/mailbox without name, etc.) is incorrect, the order will not be delivered correctly.