1. Integrated Projector with Sharp Image: The ATTGUCI alarm clock with projection on ceiling features a 180 swivel arm that allows you to position the projector for a clear and sharp time figure image on your bedroom ceiling or wall. No need to adjust the focus, as the projected numerals are remarkably sharp and clear. 2. Large LED Display with Adjustable Brightness: The curved screen with 3.4*1.7-inch large digits ensures easy readability, even in the dark or without glasses. Choose from three adjustable brightness levels to customize the display's visibility during the day and night. 3. USB Charger: This digital alarm clock includes a 5V/1A USB output interface, allowing you to charge your phone or other devices while the clock occupies an outlet, promoting good battery health. 4. Progressive Buzzer Volume: The projector clock on this bedroom clock features a progressive buzzer volume, gradually increasing in volume and speed to wake even heavy sleepers. Additionally, the large SNOOZE button offers an extra 5-60 minutes of sleep before the next alarm loop. 5. Easy to Use with Big Buttons: The ATTGUCI projection alarm clocks for bedrooms is designed with large control buttons conveniently lined up along the top of the case. The buttons are clearly marked with easily understood icons, making it easy to operate, especially for kids, seniors, or the elderly.