Smart Time Lock LCD Display Time Lock Multifunction Travel Electronic Timer, Waterproof USB Rechargeable Temporary Timer Padlock - Tuya WiFi Camera 4G Wireless Solar Camera

USB lithium battery charging, with sn and 3 small buttons to set hours or minutes, the maximum setting time is 99 hours and 59 minutes.
USB charging lasts for 120 hours.
When the lock is locked, it will not open and it is impossible to break it by hand. Please set the time reasonably.
The padlock combination is lightweight and suitable for airport and travel safety. You can lock your important items at any time to protect your privacy.
How do I reset the timer lock?
If you find you can not operate the timeout or the LCD is not displayed. correctly. Please follow this way to timer:
1:Press the center of the LCD sn to strip the protective film and tear the film off. You will find a stop under a screw on the left side of the sn.
2: Find a metal pin or metal clip, insert it into the hole to the end, and then run.
3: When you hear the “beep” sound (in the sound mode), the LCD screen will display correctly.The timeout has been reset successfully.
4: Please re-attach the protective film.