USB Charging Port: Allows convenient charging of mobile devices directly from the clock's 5V output, maintaining device power without occupying additional wall outlets, perfect for clutter-free nightstands.;Built-in Backup Battery: Utilizes a CR2032 button cell to preserve time and alarm configurations during power outages, ensuring the clock remains accurate and ready without manual resetting.;Adjustable Brightness: Offers four selectable brightness levels and automatic light-sensing dimming to maintain ideal screen visibility while minimizing nighttime glare and eye strain.;Progressive Volume Alarm: Starts softly and builds intensity, helping users wake up naturally and comfortably, especially beneficial for individuals sensitive to sudden loud noises.;180-Degree Adjustable Display: The screen and projector can be fully rotated to project the time exactly where needed, optimizing placement on any nightstand or shelf for personalized viewing angles.;Experience the next level of bedroom technology with a modern projection alarm clock that blends style, intelligence, and reliability. Its 5-meter projection capability delivers a crisp, readable image on ceilings or walls, while the ambient light sensor ensures the display remains discreet at night. Dual alarms, FM radio, and progressive sound make waking easier, and the USB port keeps devices charged. With power outage memory and full 180-degree adjustability, this clock is engineered for seamless integration into your daily routine, offering lasting performance and elegant functionality.