Display TypeDigital Power SourceCorded Electric ShapeRectangular Are Batteries IncludedNo Mounting TypeTabletop Alarm ClockYes Operation ModeManually 1. Large LED Display: This clock features a 5.6inch large LED mirror display, it shows the time and indoor temperature clearly; The buttons on the back are very clear and easy for you to operate. 12/24 hour format and ° F / ° C unit can be switched 2. Voice Control Function: The digital clock has the voice control function, that is when the clock detects the sound over 90 dB, the LED display lights up. Please be noted that you can also light up the digital alarm clock by touching the key ''SNOOZE/LIGHT'' and when you keep the clock connecting to the power, the sound control function is turned off and the display always turns on 3. Dual Alarms with Snooze: Dual alarms make it possible to set two separate wake-up times. Snooze time can be set, do not need manually to turn off the alarm clock. Wake you at different times, make your life easy and more convenient 4. Adjustable Brightness: 4 Levels Adjustable Brightness. LED Large Digital Display, Clear and Comfortable Visual Sense, it will auto dim during 10:00pm-6:00am. When plugged with USB cable, the LED light will be on always. By pressing the button of "SNOOZELIGHT" the display can keep lighting for 5 seconds 5. Stylish and Simple Design: Size:With the size of 14.5×6.5×3.2 CM (5.7×2.56×1.26Inch), the stylish and simple mini alarm clock can decorate your bedroom, living room. The included USB cable can charge the rechargeable battery-operated clock as you will