①. 10.8 Inch Screen - The digital LED alarm clock has a 10.8 inch screen, ultra-wide viewing angle and 4 inch large font. Clear LCD screen, frosted mirror, can reduce reflections compared to ordinary mirrors on the market, even the elderly and children can clearly see the wall clock from a distance. ②. 2 Display Modes and 12/24 Hour Display - This LED alarm clock supports time and calendar switching, as well as 12/24 hour switching and daylight saving time (DST) settings. Meets your usage needs. ③. Independent Alarm - The digital wall alarm clock has an alarm controlled by an independent switch. Short press the ALARM SET button to turn on/off the alarm display, and long press to set the alarm time. You can also set three alarm times on weekdays: 1-5, 1-6, 1-7, so that you don't miss important meetings or appointments. ④. 5 Adjustable Brightness Levels and Night Mode - Short press the dimmer button to set 5 brightness levels, high brightness-medium brightness-low brightness-dark long press to start night mode setting. The brightness of the digital alarm clock is automatically adjusted in night mode. You can turn this function on or off. The brightness is not dazzling, softer than other alarm clocks, and does not affect your sleep. ⑤. Personal Settings - You can turn on/off the flashing second hand by yourself, so you don't have to worry about being disturbed by the flashing colon. In addition, the digital wall clock has a time memory function when the CR2032 battery is inserted, so you don't have to reset the time or alarm even if the device is turned off. ⑥. Note - The digital wall clock must be connected to a power source when in use. (A 2m USB cable is included). The CR2032 battery is only used for time memory. Please use a 5V 1A USB adapter without adapter.