General description The Smart Time Lock LCD Display Multifunction Travel Electronic Timer is a waterproof, USB rechargeable padlock designed for secure temporary locking of important items. It features a user-friendly interface with a screen and three buttons for setting the timer, allowing a maximum setting time of 99 hours and 59 minutes. The USB lithium battery provides up to 120 hours of usage on a single charge, ensuring reliability during travel. Technical specifications Weight: 30g Color: Black Material: ABS Maximum timer setting: 99 hours and 59 minutes USB charging duration: 120 hours Measurement allowed error: +/- 1-3cm Installation Remove the protective film from the center of the LCD screen. Locate the stop under a screw on the left side of the screen. Use a metal pin or clip to insert into the hole and reset the timer. Listen for a "Bi" sound indicating the LCD display is functioning correctly. Reapply the protective film after resetting. Usage This padlock is ideal for