Dimmable Digital Alarm Clock- While charging, the LED screen is always on and automatically adjusts the brightness in 3 levels for different time periods. You can also adjust the brightness manually in 4 levels. The large LED digital display gives you a clear and comfortable visual impression.^ 2 Alarms with Snooze Function- You can set 2 alarms in one day to plan your time appropriately. Both alarms have an independent switch that is easy to set. The snooze function allows 5 extra minutes of sleep. There are 13 different music tones available.^ Dual Power Supply- Included in our alarm clock is a USB charging cable for power supply and a built-in lithium-ion battery to save the clock settings in case of power failure. (Caution: To charge the alarm, just plug in the USB port or ONLY the 5V/1A and 5V/2A adapter.)^ Multifunction LED Alarm Clock- Digital alarm clock is with time, alarms, temperature(/), AM/PM, 12/24 hours and low battery indicator. The extra-large LED display features enlarged numbers that make it easier to read, even over long distances.^ Modern Design Mirror Surface- The modern LED alarm clock features a mirror display and looks aesthetically pleasing with its elegant design, but can also be used as a mirror if needed. A perfect table clock for living room, bedroom and office.