TRADE LED Desktop Alarm Clock with 3 Adjustable Brightness Levels Auto Dimmable Snooze Function Hanging Digital 3D Alarm Clock Plastic Clocks (Red) TWO DISPLAY MODES: 12Hour Display and 24Hour Display Two time display modes. According to your habits to switch. ALARM & SNOOZE FUNCTION: It has wake up function and snooze function. And the snooze time(5-60 min) can be freely adjusted. 3 GRADE ADJUSTABLE BRIGHTNESS: The alarm clock is equipped with 3 brightness adjustment levels(High, Medium, Low). It can also adjust automatically. EASY TO READ AT NIGHT: Features large and bright display screen, easy to read at night. MULTI-SCENE USAGE: It can be placed on the desktop, or hung on the wall as a wall clock.