the brightness will automatically adjust with the change of time, you can also manually set the brightness, even close it. 【adjustable brightness & volume】the led desk clock has 6 levels of brightness and 4 levels of volume. built-in button battery ensures to memory setting and time when power is off. 【dual alarm & 40 music】2 alarm can be set independently, and there are 40 music for you to choose. 【easy to use】the control panel of the electronic wall clock consists of 6 buttons and 1 slid switch, which can easily adjust the time, alarm, volume, dot flicker, snooze, 12/24 (when you feel the brightness is insufficient, you can use usb power to get higher brightness)
【2-level brightness】night mode and day mode have 2-level brightness, which can meet most people's needs for brightness. 【energy saving】2 pcs alkaline d cell batteries, each battery is 18000mah, can keep the modern wall clock always displayed for about 1 year, avoiding frequent battery replacement.
(note:can't be used in strong light, otherwise the digital display will be blurred and even unable to read) you can also unfold the bracket behind the alarm clock and put it on the table as a desk clock. 【2 mounting options】hang on the wall by the hang holes. the external brightness is recognized by a small light sensor, and the switch command is executed after 1 minute. 【automatically switch display mode】this smart wall clock has night mode (low brightness) and day mode (high brightness).
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