①【Extra Loud Alarm】With a maximum volume of 105dB and 5 adjustable levels, the Dual Alarm is suitable for heavy sleepers and adults. ②【Dynamic RGB Display】This cool desk clock features 15 different RGB colors and 4 brightness levels, perfect for teens. ③【Colorful Night Light】Add a vibrant atmosphere to your bedroom with 7 different night light color options. Great for boys, girls! ④【Larger Digits】The 6.3\" digital LED display features large 2.1\" tall digits, making it easy to read from a distance. ⑤【Common Features】Includes snooze (9 minutes), 12/24 hour format, daylight saving time, and dual DC 5V/1A USB output ports to safely charge your devices at bedside. Easy to operate. ⑥【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 during power outages.