YF2024 Dual Alarm 15 RGB Colors LED Mirror Surface Clock Mini Student Desktop Digital Clock - Black •【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