Projection time,about 5-10 seconds. Time Projection - The clock can project the time virtually anywhere with walls and ceilings. You can turn on or off the projection when needed, very convenient. Time and Temperature Display - The LED projector alarm clock has the current time and circumstance temperature display functions, and with voice-talking function, this function can tell you the time, so you don't have to check the time by yourself, very much intelligent. Two time modes available - Time can be displayed in 12 or 24 hour format and temperature can be displayed in Celsius or driving. Otherwise, it with 10 minutes snooze function, you can have a 10 minutes snooze to get that extra rest time. The projection clock has 5 kinds of music alarm, built-in speaker, you can adjust the volume to an appropriate size. It can be used anywhere, such as study rooms, bed rooms, desks and so on. 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. YJL official store