Press the MODE button to the TIME mode. Press the SET button to start setting the time. Use the 12/24 UP button to adjust the number until you get the right one. Press the SET button to confirm (the SET button is always used as confirm button here). What you will receive: the package that you receive contains 2 pieces of digital travel alarm clocks in classic color, adequate quantity to satisfy your ordinary use, suitable to share with your friends; Due to different production batches, the position of the button may be different from the picture, which does not affect the use; Note: this product does not have backlight; Please read the manual carefully before use Sturdy and concise: the shell of these multifunction small desk clocks is made of ABS, sturdy enough to provide a long time service and can afford slight extrusion during your travel Measurement information: each large display desk clock measures 3 x 3.4 x 0.5 inch, the proper size for you to put on your desks or hold in hand without occupying too much room, suitable to take with you during your business trips or at home Functional design: our foldable LCD clocks only have 5 buttons on the back but 4 modes, normal time mode, sleeping mode with music, timer mode and temperature mode, includes date, week, time (12/ 24 hour), alarm setting, snooze (range from 1 - 60 minutes), indoor temperature (°C) and so on, functional but easy to operate, deal with your various kinds of needs, please read instructions for more specific information before using Large LCD display: our portable small clocks are equipped with a large LCD display, so you can read the time or other information within seconds from far away distance or other angles, convenient for your ordinary use