Large LED ScreenLarge 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 MusicTwo alarms allow you to set two separate wake-up times, 40 different ringtones and 4 volume to choose from The USB desk clocks can only work with the power supply connected. A built-in button battery forback up your clock settings in the event of a power outage. Bedside Wall ClockThe light alarm clock has notches on the back, can be easily hung on the wall as a wall clock, or arbitrarily placed on the desk. The stylish and simple alarm clock can decorate your bedroom atsleeping area, can also be used as a mirror if needed. Auto DimmingThe digital clock can be connected with a USB cable, the brightness can be automatically adjusted with time, also can manually adjust the 6 levels of brightness, or turn off the brightness. The clockdigital whose light does not interfere at night very suitable for heavy sleepers. What you will get1x LED alarm clock with USB cable (USB cable length is 135cm), 1x user manual