This is a popular simple mirror electronic alarm clock. It has an unparalleled simple appearance design, complete functional design, and user-friendly operation design. It has captured the hearts of many users. Whether it is at home or as a gift, this electronic alarm clock is for you A good choice. This electronic alarm clock has functions such as time, date, temperature display, and can automatically or freely adjust the brightness. It has two modes of battery power supply and USB power supply, and the power-off time memory function. The operation is very simple. You don't have to worry about operation problems at all! Basic operation of electronic alarm clock: ?Power on, the LED will display for about 2s, and then enter the normal clock mode with a sound of B, the default 24-hour clock is 0:00 ?In the normal clock mode, press the MODE button to enter the corresponding function mode in the following order Clock mode?Date mode?Temperature mode?Night ON/OFF ?Time and date mode Press and hold the MODE button to enter the setting state, adjust each setting value through the UP/DOWN button, keep pressing the UP/DOWN button to speed up the value ?In normal mode, single press the ALARM button to display the alarm clock mode, in the alarm mode, single press the ALARM button to turn on/off the alarm. ?In any mode, long press the ALARM key to enter the setting state, adjust each setting value through the UPIDOWN key, and keep pressing the UP/DOWN key to accelerate the increase/decrease. ?Normal time, date, temperature mode, single press the UP button to directly adjust the two levels of brightness ?When the night mode is turned on, the brightness will automatically dim from 18:00 to 6:00. ?Temperature mode Press and hold the MODE button until there is a BI beep, switch to LED to display time, date and temperature in turn, time display for 10 seconds.