This electronic LED alarm clock has temperature (C / F), date, time (12/24 hours) and 2 alarms. [2 alarms and 40 songs] Two alarms allow you to set two different wake-up times, 40 different ringtones and 4 types of volume to choose from! The USB desk clock can only work when connected to a power source. The built-in button battery can save your clock settings in the event of a power failure. [Bedside Alarm Clock & Wall Clock] There is a groove on the back of the wake-up light, which can be easily hung on the wall as a wall clock or placed on the desk at will. The elegant and simple alarm clock can decorate your living room and bedroom, and can also be used as a mirror when needed. [Auto-dimming] The digital clock can be connected via USB cable, and the brightness can be be automatically adjusted over time, or you can manually adjust the brightness to 6 levels or turn off the brightness. The digital clock that does not interfere with lights at night is very suitable for those who sleep soundly. Delivery quantity: 1 * alarm clock