Adjustable Brightness and SoundA digital clock whose light will not disturb at night. 4 different brightness levels and 3 sound options can be manually adjusted. LED display: 14cm * 6cm (5.5 * 2.4 inch). Time (in 12-hour or 24-hour format) and temperature (C/F) USB Charging Alarm Clock Setting is very simple and easy to carry. This LED alarm clock plugs either directly into the mains or into a USB port, and there is also a battery to save the settings in the event of a power cut. When the battery is low, a red warning indicator will appear on the screen. 2 Alarm Clocks with Snooze Function It has a beautiful digital clock with temperature display and a mirror . Two alarm clocks allow you to set two separate alarm times. If you don't want an alarm clock on weekends, turn it off. Snooze function: 5 minutes. Easy time setting and ringtone customization. 13 different ringtones to choose from! and can adjust the ringer volume. Sound Activation ClockWhen the light alarm clock is powered by batteries, it will enter sleep mode. You can make sounds to activate the alarm clock, such as clapping your hands or touching the alarm clock. To always have the display, use the USB cable and plug it into the power outlet. Modern Design and Mirror DisplayThe modern LED alarm clock adopts mirror display and is aesthetically pleasing with its sleek design, but it can also be used as a mirror if needed. A perfect table clock for the living room, bedroom and office.