Feature:Multifunctional digital alarm clock: alarm clock display time (12 / 24H), calendar (MM / DD), work day, weather icon, temperature (C / F), humidity, and alarm function, support snooze function. Depending on the condition of the room, the alarm clock can predict the humidity trend and temperature trend within the next 12 hours .Ideal choice:Color LED backlit display with weather trend indicator to show upcoming weather trends. The color display of this watch shows the time. It also has an alarm function so you won't miss any beats. Has a repeating pattern.LCD display: The color-backlit LCD display looks beautiful in a home or office and is perfect for checking time at night without disturbing anyone.Adjustable projection: Project time and temperature on the ceiling or wall so you can easily tell the time in bed. Adjust the projector back and forth, change the brightness of the projection, and reverse the projection at 180 for maximum sharpness.Powered by USB port and AAA battery: Two power supply methods make the alarm clock more flexible in daily use. The projection alarm clock is powered by 2 AAA batteries (not included, the alarm clock battery should not use high-energy alkaline batteries) or DC 4.5V input (Including USB cable, not including main adapter).specification:Type: AlarmColour: Black,WhiteMaterial: Plastic, Power supply: 2 AAA batteries * (not included) or charging cable (included)Temperature display range: 0-50 / 32-122Humidity display: 20% -99% relative humidityDate: 2001-2099Projection distance: about 1 to 5mProjection rotatable angle: 180Product size: 15 * 11 * 2.7cm / 5.9 * 4.3 * 1.1 inches (length * width * height)Net Weight: 260 g / 9.2 oz