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 DreamSky DS305 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).
– 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 .
1×DreamSky Alarm Clock
1×US Plug Adapter ( UL certified )
Elegant alarm clock with dimmer : 4.3 Inches large LCD screen display with eye easy catch blue digit , time and content are easy to read at a glance . Adjustable dimmer enable you to set the brightness of display to high, low or off with one button touch .
Advance autoset time : The clock will sets itself to the correct time once plug in, hassle free to set time . Cell button battery included as backup battery , which will store the time, date and alarm setting during main power outage, however it will not support the time display nor trigger the alarm.
Auto DST and selectable time zone : Automatically adjusts to Daylight Savings Time while set the DST on . Four USA time zone selectable per your location (EST/ CST/ MST/ PST) .
Ascending soft beeping alarm with snooze: Ascending alarm sound wake you up naturally . Additional snooze to counter oversleeping, simply press the snooze button once and go back to sleep. 8 minutes later the alarm will ring again .
USB ports: one USB port connect the DC adapter (included ) power on the clock. Let the other port charging your smart device like cellphone, tablet and mp3 players etc . Convenient and organized. WARRANTY : 90 days money back guarantee, 365 days free replacement.