[Extra Loud Alarm] With a maximum volume of 105dB and 5 adjustable levels, the Dual Alarm is suitable for heavy sleepers and adults. [Dynamic RGB Display] This cool the desk clock has 15 different RGB colors and 4 brightness levels, perfect for teenagers. [Colorful Night Light] Add a vivid atmosphere to your bedroom with 7 different color options for the night light. Perfect for boys, girls [Larger Numbers]The digital 6.3-inch LED display has large 2.1-inch tall numbers, making it easy to read from a distance. [Common Functions]Includes snooze time (9 minutes), 12/24-hour format, summer time and two DC 5V/1A USB output ports to charge your devices safely at the bedside.easy to use . [Outlet Powered & Battery Backup] Powered by an outlet and equipped with 3 AAA battery backup (NOT INCLUDED), this small simple rainbow clock is reliable and ensures your time is preserved even under power. p>