Multifunction Digital Mirror Alarm Clock: The LED alarm clock is designed as mirror style. With large digital display, integrate time display, alarm, snooze, temperature display, night mode and mirror. Bold fonts, easy to view. A perfect accessories for your home living room decor. Powered by USB or battery: Alarm clocks can be powered by USB cable or 3 AAA batteries (not included). NOTE: If alarm clock is running via using battery, alarm clock lights 5 seconds then OFF, and you can activate the opening screen by clapping sound. Save energy and give you better sleeping at night. Clock will on all the time if via USB. Simple setting: White minimalist rectangle digital clock with very simple 5 mains buttons settings, Can be set LED 2 level display brightness, you can see the time clearly in the night. Snooze time can be set, unless manually turn off the alarm clock. Wake you at different times, make your life easy and more convenient. Adjustable Brightness: Clear and Comfortable Visual Sense, it will auto dim during 6:00pm. When plugged with USB cable, the LED light will be on always. When the battery mode is used, the screen will automatically turn off in 10 seconds. You can voice-activate the screen, or press any key to turn on the screen. Press and hold "LIGHT/SNOOZE" in any mode for 3 seconds to turn off the screen. Easy Use & Ideal Gift: The clock has been designed with absolute simplicity in mind and you will have no problem whatsoever operating it. Exquisite Digital Clock with accurate time for Heavy Sleeper, Kids, Youths, Students and Elders - Favorable Size make it ideal for your purposes of a travel alarm clock, desk clock or bedside clock. It is an excellent gift idea for Birthday, Graduation, Housewarmings and New Year ect.