1、[Mirror Design] LED digital mirror clock, support alarm setting, temperature, date and time alternate display, which is a good desktop decoration of modern life. 2、[Snooze Function] The alarm clock has a snooze function. Snooze button can help you easily turn off the buzzer and prevent oversleeping, suitable for students and office workers. 3、[2 Power Supply Methods] This alarm clock supports USB cable or 3 x AAA batteries (not included) for power supply. When using battery, press any button to check time, and when use USB cable to keep light on. 4、[Other Functions] With 12/24 hour system, time memory function, ℃/℉ temperature display, 0‑50℃ temperature range, 3 levels of brightness adjustment, 7 color lighting cycle. 5、[Night Mode] During the set night time period, the light will automatically dim; during the set day time period, the light will automatically turn on, suitable for home, KTV, etc.