Ultra-Clear & 180 Adjustable Angle and 3 Projection Luminance- Projection digital alarm clock can project ultra-clear time onto ceiling or wall within the distance range of 2-3m/7-10ft. with improved 3 adjustable projection brightness (Bright-Medium-Low-Off, default Bright) to meet your needs. Projection alarm clock with 180 adjustable projector (from -90 to 90 ). Unique Mirror Display Design-The alarm clock has the functions of temperature and humidity notification, FM radio and time display. The 7.4-inch large display screen is more convenient for reading, especially suitable for children and the elderly. The time is clear at a glance, and it can also be used as a mirror in daily use, which is simple and fun. USB Charging- digital alarm clock is powered by USB or plug in, backup battery(you need to buy yourself) just for setting memory backup when out of power. With a USB charging port, you can charge your smartphone while you sleep. The projection function only works wi
