✿【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. ✿【DUAL POWER SUPPLY METHODS】: It supports USB power supply and AAA battery power. This alarm clock has a time memory function when using AAA batteries; When powered by USB alone, there is no memory function after power off. Note: When using battery power, please turn on the power-saving mode (the display will automatically turn off after 16 seconds of no operation), otherwise the screen will always be on and consume a lot of power, which will bring you unnecessary battery costs. ✿【LARGE LED DISPLAY】: This Digital alarm clock comes with 6.5 in large screen and large font so that you can easily read the digital display. ✿【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. ✿【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. ✿【VOICE CONTROL】: You can turn on the display by voice control. When the alarm clock is powered by dry batteries, the display will be turned off automatically after 16 seconds without any operation.