•【Small Size】This small clock has a large digital screen, easy to read and does not take up much space, perfect for bedroom, desk, shelf or travel •【Loud Alarm】Adjustable volume up to 85db, 5 levels, dual alarm, 10 minutes ringing time, can wake up deep sleepers, adults, teenagers and children •【Dynamic RGB Display】This cool desk clock has 15 different RGB colors and 4 brightness levels, perfect for teenagers •【Regular Functions】With snooze function, 12/24-hour format •【Power Supply】Powered by USB outlet and with 4 AAA battery backup power(battery not included), this simple clock is very reliable and ensures that your time is kept even during power outages Specifications: •Screen size: 5.5-inch •Snooze: 10 minutes repeating snooze •Product material: ABS •Volume: 5 levels •Doorbell: 2 sets of alarms •Brightness: 4 levels of brightness •Light color: 15 light colors •Product size: 5.1*2.1*1.1 inches •Battery power supply: 4*AAA batteries (not included) •USB cable power supply: DC5V Package included: •1 x Alarm Clock •1 x USB Cable •1 x English Manual