NOTE: When powered by USB alone, the screen can be stay on and there is no memory function after power off.
DUAL POWER SUPPLY: This digital alarm clock comes with 6.5 in large screen and large font so that you can easily read the digital display. It supports USB power supply and AAA batteries. This alarm clock has a time memory function when using AAA batteries.
BRIGHTNESS & NIGHT MODE: Digital alarm clock provides 3 different levels of brightness, which can be adjusted to a comfortable brightness manually or automatically to protect your eyes and save energy at night.
5 DISPLAY MODES: This upgraded version the alarm clock has 5 display modes: clock mode, alarm mode, date mode, temperature mode, night mode, which can meet your daily needs.
WORKING DAY MODE: This alarm clock also comes with three working day alarm modes. You can set the time interval: Monday to Friday, Monday to Saturday, and Monday to Sunday.