Not an alarm clock on the wall. Attention: When the battery is on, the screen cannot be kept on, it will automatically go out after 16 seconds, and it needs to be awakened by voice; when the USB is plugged in, the screen keeps on. When this alarm clock is powered off, the time needs to be reset. Attention: When the battery is on, the screen cannot be kept on, it will automatically go out after 16 seconds, and it needs to be awakened by voice; when the USB is plugged in, the screen keeps on. When this alarm clock is powered off, the time needs to be reset. 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 See more

Two power sources: When only 3 AAA batteries (not included in the scope of supply) are used for power supply, the clock will automatically be in power saving mode. When the energy-saving mode is turned on, the LED will automatically turn off for 15 seconds after the last operation, and it can be awakened by lightly tapping, clicking, or tapping. If you want the LED to stay on, please plug in the power cord (included) and use a 5V/1A USB adapter (not included in the scope of supply) to charge it. Adjustable brightness: If you find that the LED is too bright at night, you can use the "UP" button to adjust it to a low level, long press the light button to turn off the LED, or unplug the power cord to let the clock work in power saving mode. Alarm and snooze: Long press "Alarm" to set the alarm time and snooze time. Use "up" and "down" to adjust the hours and minutes. The snooze time ranges from 1 minute to 60 minutes each time, 3 times in total. Easy to read: The bedroom digital alarm clock has large LED numbers, and the display brightness can be easily adjusted according to personal preferences. Support 12-hour and 24-hour time display. To maintain time and avoid setting all parameters after unplugging the power cord, please install a battery. Simple design: This digital alarm clock is equipped with a pure black cg and a clear LED display. This LED clock is an ideal gift for everyone.