DIGITAL ALARM CLOCK MIRROR SURFACE: Our alarm clock combines with makeup mirror, alarm clock and time display function. The HD mirror display can map your beauty, you can also use it as a mirror for your beauty and makeup while watching the time. A QUIET SLEEPING ENVIRONMENT&LUMINOUS FUNCTION: Unlike Mechanical alarm clock that keeps ticking, affecting the quality of your sleep. our clock is quiet, allowing you to get rid of the noise of the night and sleep peacefully. The luminous function allows you to see the time clearly at night and does not need to turn on the lights. 3-LEVEL BRIGHTNESS SETTINGS: Other clock have only one level of brightness, which will be particularly dazzling when the lights are turned off at night, long-term past will cause damage to your eyes. our alarm clock adopts highly sensitive photosensitive sensor, which can automatically adjust the display brightness according to the brightness of the environment, or manually set the Bright-Medium-Dim 3-level brightness, better for your eyes and more environmentally friendly MEMORY FUNCTION&Dual USB PORTSWhen the external power supply is powered off, the hold time and various settings are unchangedneed install a CR2016 button battery . The time after the external power supply is cut off is not displayed, so as to avoid repeating the settings next time. Dual USB ports allow you to charge two devices at the same time 5 MINUTES' SNOOZE BY TOUCH BUTTON : The "snooze "button helps you easily turn off the buzzer but dont need to open your eyes and enjoy five minutes of sleep. The clock will alarm every 5 min and the default Snooze time is 5 min until you turn off the snooze mode by pressing any other buttons. Note: The alarm clock supplied by external power via type-c cable. It can be connected to a charging plug with a USB port or a mobile power supply or a laptop. In addition, a CR2016 button battery (not included in the package) needs to be installed on the back of the alarm clock. The button battery cannot supply power to the product, it is only used to keep the memory function of the time, so as to ensure the accuracy of the time when the clock power off