1.The unique LED RGB projection mirror alarm clock has 11 font color modes (4 dynamic colorful modes + 7 fixed modes). You can choose your favorite color mode to create a personalized alarm clock style. This alarm clock is for home decor. 2.You can project the time onto the wall or ceiling, and the font can be adjusted to 180°, and the optimal distance for projection is 1.6-16 feet (0.5-5m). At the same time, you can also adjust the brightness of the projected font, letting you easily read the time in the dark in the most convenient and easy way.It is the projection clock for bedroom ceiling. 3.RGB projection alarm clock is with a light sensor and 6-level brightness display. This mirror digital alarm clock can automatically adjust the brightness according to the ambient light. This clock can allow you to easily check the time of day or night. 4.You can set two different alarm times to meet different wake-up needs, which is convenient for you and your family. And the projection digital clock is also equipped with a snooze function of 5-60 minutes, the alarm clock is suitable for bedrooms. 5.This is a projection alarm clock with usb port. The digital clock can charge your mobile phone or earphones. The led clock is also equipped with a memory battery, when the alarm is disconnected from the USB power supply, the mirror alarm clock can continue to keep the alarm data.