Large LED screen：Large display: 265mm*70mm (10.4in*2.7in), you can read the real time over a long distance. This LED Electronic Alarm Clock has Temperature(°C/°F), Date, Time(12/24 hour), 2 Alarm. 2 Alarm 40 Music：Two alarms can set two separate wake-up times, the 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 to save your clock settings in case of power failure. 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 arbitrarily placed on the desktop. The stylish and simple alarm clock can decorate your living room bedroom, also can be used as a mirror when needed. Auto Dimming：The digital clock can be connected with a USB cable, the brightness can be adjusted automatically over time, can also can manually adjust the 6 levels of brightness, or turn off the brightness. The digital clock whose light does not obstruct the night very suitable for those who are heavy sleepers. What you will get：1x LED alarm clock with USB cable (the length of the USB cable is 135 cm), 1x user manual