LARGE MIRROR DISPLAY: The bedroom clock is equipped with a 6.5 inch large clear LED displayit's easy to read even for senior and the near sighted.The borderless aesthetics design,good for table decoration. 3-LEVEL BRIGHTNESS: The desk clock feature 3 level brightness:low,medium and high.The brightness can be adjust by manual or atuo.when auto set the brightness of the screen automatically changes with the outside light,it become dim during night not to disturb your sleep and protect your eyes. DUAL USB CHARGER: digital clock uses DC-5V/1A USB power supply,with the 2 USB ports,you could charge your phone,earphone,gadgets.This clock has a lithium battery in, in case of power failure, it can remember the time and alarm clock,and you won't have to set the time and alarm again. Notice: With the battery only, it will not show the time.it has to be power by USB sockets. SNOOZE MODE: The big snooze button on top is very easy to touch even without opening eyes in the morning.You could set different snooze intervals(5~60mins),which is perfect for heavy sleepers. DETACHABLE BASE & WALL HANGING HOLE: When you use the stand,it would be a table clock and won't take much space.And there is a wall hole at the back,you could hanging it,use as a special wall clock. Product Parameters: Display Type: LED Power Source: 5V/1A Movement type: Electronic Product weight: 0.27 lb Product size: 6.2*3.1*0.55 inch Package Digital Alarm Clock x 1 CR2016 Battery x 1 USB Charging Cable x 1 Instruction Manual x 1