Extra Loud Alarm: Featuring a max volume of 105dB with 5 adjustable levels, dual alarm is suitable for heavy sleepers and adults Dynamic RGB Display: This cool desk clock features 15 different RGB colors and 4 brightness levels, perfect for teenages Colorful Night Light: 7 different color options for a vibrant ambiance, ideal for boys and girls Larger Numbers: 6.3" LED digital display with large 2.1" tall numbers for easy readability from a distance Regular Features: Includes 9-minute snooze time, 12/24 hour time format, Daylight Saving Time, and dual DC 5V/1A USB output ports for convenient device charging Outlet Powered And Battery Backup: Powered by an outlet and equipped with 3 AAA battery backup (not included), this simple rainbow clock is reliable and ensures that your time is preserved even during power outages