Decent Alarm Clock with Large, Clear DisplayClearly view the time on the large and clear LCD screen with nice orange illuminated jumbo digit. No squinting to read the time, even without your glass. Decent look, clean, simple, aesthetically pleasing design. Not too big, not too small, décor even as additional decoration. Adjustable Brightness ControlWith the dimmer knob at the rear of the clock, you are able to adjust the brightness from 100Percent to 0Percent for comfort view and night sleep. No light, no complain, clock is still running. Have a good restEnjoy FM RadiosSingle on.off radio button, tuning in your favorite channel with 015 level volume adjustment. Built in high quality loudspeaker, the sound is loud and clear, enhance your listen experience. Programmable Sleep TimerFall asleep to the radio using the programmable count down sleep timer. 10120 minutes optional. Gradual Alarm with Adjustable VolumeThe gradual wake alarm feature starts with a subtle, low volume and then gradually increases to a reasonably high level in order to gently wake you up from sleep. Alarms sound can be adjusted to your desired level whatever select wake up to buzzer or radio. Buzzer with 3 level adjustment (high, medium, low). Radio with 115 level adjustment.Snooze ButtonSnooze function will let you catch an extra shuteye. 9 minutes interval to mute the sound for every click button, which can be repeated to one hour until turned off. USB Charging PortThe labelled “out “ USB port for other smart device charging like cellphone, tablet etc. Very handy and convenient. Battery BackupAn optional backup battery keeps the clock working during a power outage.