Excellent After-sales Customer Service?You can enjoy 12-month extended warranty and 30-day returns. If you have any questions about our projection alarm clock, please feel free to contact us. Your problem will be resolved within 24 hours. Multifunctional Projection Clock?For this alarm clocks for bedrooms with 12/24 hours, you can choose standard time and military time to meet your different living habits. In addition, the real-time control of indoor temperature and humidity changes reminds us of the state of the environment and guides healthy living. Support USB mobile phone charging?This digital clock includes a 5V/1.2A USB output interface, which allows you to still charge your mobile phone or other mobile devices when the alarm clock occupies the socket, which is very beneficial to the health of the mobile phone battery. The projector clock can also be powered by 2 AAA batteries (not included). Also includes USB charging (usb cable included, adapter not included). Large Screen and 4 Levels of Screen Brightness?The digital alarm clock with a large screen is also easy to read in the dark, and the elderly can see it without glasses. The prominent control buttons are conveniently arranged along the top of the case and are clearly labeled with easy-to-understand icons. With 4 adjustable levels, you can turn down the projection alarm clock to a level that is readable during the day but unobtrusive at night. Alarm clocks Great for for kids, seniors, bedrooms. Alarm with Progressive Sound?This special bedroom alarm clock has progressive buzzer volume, the sound will become louder and louder, which can wake you up quickly from deep sleep. And if you like to stay in bed, plus press the big SNOOZE button on top and you can get an extra precious 5 minutes of sleep until the next cycle of this alarm clock. Digital Projection Alarm Clock for Bedrooms?The arm of this projector clock can be rotated 180 degrees for optimal positioning, at a proper distance (3.28~9.84ft) on the wall or ceiling to get a fine and smooth time graphic image. Project sharp, clear time and temperature conditions without fiddling with focus adjustments.