180 ultra-clear projection alarm clock Hosome ultra-clear projection digital alarm clock with 180 angle by lighting with red LED on the wall or ceiling, at a distance of 2 to 3 m. When you wake up at night, you can easily see the time on the wall/ceiling, just open your eyes, no need to search and open your cellphone! NOTE: No radio function Multifunctional & 12/24H setting Besides this alarm function, you can know time, indoor temperature, date, week and month on this multifunctional projection alarm clock. With white backlight, you can even easily see the time on the LED display at night. If you need to project all the time, please plug in the USB cable all the time. 5 Minute Snooze Function & Weekend Mode When the alarm sounds but you don't want to get up immediately, set the snooze function to another sleep. A 5-minute nap can wake up your body better and work energetically in a day's work. Powered by USB Port & AAA Battery Two power supply modes make the alarm clock more flexible in daily use, USB port (USB cable included) or 3 AAA batteries (not included), memory function (15 seconds) only with AAA batteries. Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail .