When the light is on, press and hold the button for about 3 seconds to enter the time format, then press to select 12/24 hour. Press for 3 seconds, the "clock" number flashes. When the "clock" number flashes, release the screen, screen again, set the current value, set the clock. Keep on the screen for 3 seconds, the "minute" flashes, when the "minute" flashes, release the screen, restart the screen, set the current value, after setting the minute Press and hold the screen for 3 seconds, the number "Y00" (Y represents the year) flashes. Release the screen, the screen, adjust the current value. adaptation year Keep displaying the screen for 3 seconds, "month" starts flashing. When the "month" number flashes, release the screen and the screen will adjust the current value. After adjusting the month On the screen for 3 seconds, the "date" starts flashing. When the "date" number flashes, release the screen and the screen will debug the current value. After the date debugging is completed, stop the action, complete the project setting after 5 seconds, and enter the time interface. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store