1.Projection Function: Digital alarm clock with 180° rotatable projector, with focusing control, can project the time on the wall or ceiling, press the projection button to turn on or off. 2.Automatic Dimming: Digital clock is equipped with a high sensitivity sensor that can adjust the brightness without disturbing you or your child's sleep. 3.Display Mode: Mirror digital alarm clock can display the time, date, temperature at the same time, or it can be displayed separately, and it can be switched in turn. 4.Digital Display: Projection digital clock adopts a large display screen, the digital display is clear, generous and beautiful, which is convenient for viewing the time. 5.USB Charging: The mirror alarm clock has a built in 1 CR2032 battery (not included), which can be charged with a USB charging cable, stable and energy saving. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.