Product Description: new high quality Made of high quality material, durable Smart Time Lock LCD Display Multifunctional Travel Electronic Timer. USB lithium battery rechargeable, with sn and 3 small buttons to set the hours or minutes, the maximum setting time is 99 hours and 59 minutes. USB charging lasts up to 120 hours. When the lock is locked, it cannot be opened, and it is impossible to pry it open by hand. Please arrange your time reasonably. The padlock combination is lightweight for airport and travel security. You can lock your important items anytime to protect your privacy. How to reset timer lock? If it is found that the operation is timed out or the LCD does not display. correct. Please time it as follows: 1: Press the center of the LCD sn 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 sn. 2: Find a metal pin or metal clip and insert it into the hole to the end, then run. 3: When the sound of "Bi" is heard (in sound mode), the LCD will display correctly. The timeout was successfully reset. 4: Please re-attach the protective film. Weight 30 grams. Color: white, black (optional) Material: ABS. Package Included: 1 * time lock Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.