Product USB Lithium Battery Charging Padlock with Time Setting Function: This innovative padlock features USB charging and a convenient time setting option, allowing you to set hours or minutes with three small buttons. The maximum setting time is 99 hours and 59 minutes. A single USB charge can last up to 120 hours, ensuring your lock remains functional for extended periods. Once locked, the padlock cannot be opened until the set time has elapsed, providing a high level of security that cannot be bypassed by hand.Ideal for Travel and Airport : Lightweight and portable, this combination padlock is perfect for securing your valuable items during travel or at the airport. Protect your privacy and keep your belongings safe with this smart time lock.Model Number: Smart Time Lock Weight: 60g Features: LCD Time Lock USB Rechargeable Temporary Timer PadlockTroubleshooting and Resetting the Timer: If you encounter issues with the timer or the LCD display, follow these steps to reset:Press the center of the LCD to lift the protective film and remove it. Locate the reset hole on the left side of the lock under a screw. Use a metal pin or clip and insert it into the hole until you reach the end, then trigger the reset. You will hear a Bi sound indicating the LCD display has been corrected, and the timeout has been successfully reset. Replace the protective film over the LCD.Color: Black Material: ABS Size: 7.3 x 4.7 x 2 cm Package Contents: 2 x Time LockNote: The color of the item may vary slightly from the picture due to light and different display settings. Please allow for a measurement error of +/- 1-3cm.This package includes only the time locks; other products are not included.