Multifunctional Digital Alarm Clock: Alarm clock display time (12/24H), calendar (MM/DD), workday, weather icon, temperature (C/F), humidity and alarm function, snooze function. According to the condition of the room, the alarm clock can predict the trend of humidity and temperature in the next 12 hours. Ideal Choice: Color LED backlit display with weather trend indicator to show the upcoming weather trends. The color screen of this watch shows the time. It also has an alarm function so you won't miss a beat. Has a repeating pattern. LCD Display: The full-color backlit LCD display looks great in a home or office and is perfect for checking the time at night without disturbing anyone. Adjustable Projection: Project the time and temperature onto the ceiling or wall so you can easily read the time in bed. Adjust the projector back and forth, change the brightness of the projection, and flip the projection 180 for maximum clarity. 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 (USB cable included, main adapter not included). Specification: Type: Alarm Color: Black Material: Plastic, Power Supply: 2 * AAA batteries (not included) or charging cable (included) Temperature display range: 0-50 / 32-122 Humidity display: 20%-99% relative humidity Date: 2001-2099</ p> Projection distance: about 1-5m Projection rotation angle: 180 Size Product size: 15 * 11 * 2.7cm / 5.9 * 4.3 * 1.1in (length * width * height) Net weight: 260g / 9.2oz