DreamSky DreamSky Alarm Clocks for Bedrooms with Battery Backup, Auto Set Digital Clock with Date and Day of Week, 5 Inch Large Display with Weekday Temperature, USB Ports, Auto DST, Brightness Dimmer, 12/24H

Note: The backup battery (cell button battery CR2032 ) already installed , which normally will last 2 years of life. No battery install is needed at first time of using the clock Eye Easy Catch Nice Blue LCD Display With Dimmer -The clock features a beautiful eye easy catch blue digit display with dimmer -The display can be turned off or dimmed ( high-low ), so the large, easy-to-read numbers won’t blind you all night long. Auto-Time setting system -Benefits from its autoset technology , this alarm clock automatically sets itself to the correct year, month, date, and time while plug in . What you need to do is set your desire alarm time and let this little nice alarm clock wake you up every day Convenient Dual USB Port - One USB port is to power the clock , the other to charge smart phone/ tablet or other USB device. -The convenient USB charging port compatible with most of tablets, smart phones & mp3 players on the market. DST ON/OFF and Time Zone Setting -Automatically change to DST , No more worry to manually adjust time in spring and fall . -Four time zone selectable per your location (CST,EST,PST,MST). Battery Backup - Backup battery to maintain your settings during a power outage, it will be reset to the correct time and date when the power returns. However it doesn't power on the unit . -Cell button battery included Ascending Alarm Sound And Friendly Snooze -The alarm “beep” sound starts with a subtle, low volume that gradually increases to a reasonably high level in order to gently wake you up. -Additional snooze to counter oversleeping, simply press the snooze button once and go back to sleep. Nine minutes later the alarm will ring again . Packing List 1×DreamSky Alarm Clock 1×US Plug Adapter ( UL certified ) 1×USB Cable 1×User Manual