5-60 MINUTES' SNOOZE FOR HEAVY SLEEPERS : The big snooze button helps you easily turn off the buzzer but don’t need to open your eyes and enjoy five minutes of sleep. The clock will alarm every 5 min and the default Snooze time is 2 min until you turn off the snooze mode by pressing any other buttons. You can also set snooze time by yourself. Perfect for heavy sleepers. MEMORY FUNCTION&Dual USB PORTS:When the external power supply is powered off, the hold time and various settings are unchanged. 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, say goodbye to the embarrassing situation of lack of electricity while playing phone in the bed. 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. We SZELAM 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. A QUIET SLEEPING ENVIRONMENT&LUMINOUS FUNCTION: Unlike Mechanical alarm clock that keeps ticking, affecting the quality of your sleep. We SZELAM clock is quiet, allowing you to get rid of the noise of the night and sleep peacefully. The user-friendly designed luminous function allows you to see the time clearly at night and does not need to turn on the lights.When it is 12-hour system, it will not display AM before 12 noon but will display PM after 1 PM. DIGITAL ALARM CLOCKS MIRROR SURFACE: SZELAM 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. The specially designed mirror surface is not easy to be stained with ash which can be cleaned with a single rub to restore the original clean appearance. You can put it upright, put it flat or hang it on the wall, just choose the way you like it.