Product Description Digital Clocks,7" Alarm Clock for Bedroom Large Display Electric Mirror Alarm Clocks with USB Charger Digital Alarm Clocks for Bedrooms - White Digital Alarm Clock— Combines mirror, clock, alarm clock, USB charging and other functions. 7 Inch LED Mirror Electronic Clocks It is not only a clock, but also a fashionable modern art decoration, very suitable for places such as bedroom, living room, office and so on. It is a necessity for your life and work, and the best gift for lovers, children, parents and friends. PLEASE NOTE: 1.Some scratches appear on the protective film due to long-distance transportationplease tear the protective film off before using. (Tips: As our protective film is very thin and fit well, which requires a little patience to find it and tear off . ) 2.The clock has a built-in button battery. it just could keep time memory when power off, couldn't support the digital clock light up. Saving your time to adjust the display time. 3.Please remove plastic insulator tab from button battery compartment in the back and connect the product with electricity by USB or Adapter.