uscce small led digital alarm clock with snooze, easy to set, full range brightness dimmer, adjustable alarm volume with 5 alarm sounds, usb charger, 12/24hr, compact clock for bedrooms, bedside, desk uscce getting out of bed will no longer be a chore with the help of the uscce bedside alarm clock for 5 selectable alarm sounds, easy-to-read 4.6" large led display, adjustable alarm volume and a usb output for mobile charging. the sleek and minimalist alarm clock with compact size goes with any decor. perfect for home, bedroom, kitchen, hotel, office, nightstand, table, desk, shelf, guess room, tv room.<p></p> <b>0-100% adjustable dimmer</b><br> the brightness of digits can be set to any level from bright to very dim (or even completely off) by turning an adjustment wheel in back, have it bright in the day then dim them down at night. you will never worry too bright at night.<p></p> <b>adjustable alarm volume with 5 alarm ringing tones</b><br> choose beep/buzzer/bird sound/piano music/soft music to wake you up, adding a good mood for starting your new day. the alarm sound can be adjusted from 30-90db with volume knob according to your personal preference. and it features grad-u-wake function: the alarm starts off at a low volume and then gradually increases to the wake up volume you preset.<p></p> <b>usb charging station</b><br> start your day with a fully-charged phone. this simple alarm clock offers an integrated usb port that charges your phones, tablets, or other 5v electronics.<p></p> <b>battery backup</b><br> outlet powered, but you have the option to back it up with 3 aaa batteries (not included) in case of power outage. not only time and settings are restored, alarm are also supported (usb will not charge). please be noted that the clock may drain batteries fast, so only use as a backup but not everyday operation.<p></p> <b>specifications</b><br> time set: 12/24 hour switch<br> alarm: last for 8 minutes<br> snooze: every 9 minutes<br> dimensions: 5.9in(length)*3.11in(height)*1.65in(width)<p></p> <b>package included</b><br> 1*uscce alarm clock<br> 1*power adaptor(5.9ft)<br> 1*user manual