[Large LED Display] Large display: 265mm*70mm (10.4in*2.7in), you can read the real time from a long distance. This LED electronic alarm clock has Temperature(C/F), Date, Time(12/24 hours), 2 Alarm.[2 Alarm 40 Music] Two alarms allow you to set two separate alarm times, 40 different ringtones and 4 volume to choose from! The USB desk clock can only work with the power connected. A built-in button battery to save your clock settings in case of a power outage.[Bedside Alarm Clock & Wall Clock] The light alarm clock has notches on the back, can be easily hung on the wall as a wall clock, or placed arbitrarily on the desktop. The elegant and simple alarm clock can decorate your bedroom living room, can also be used as a mirror when needed. [Automatic Dimming] The digital clock can be connected with a USB cable, the brightness can be adjusted automatically with time, can also manually adjust the 6 levels of brightness, or turn off the brightness. The digital clock whose light does not disturb at night is very suitable for those who are heavy sleepers.