DreamSky Digital Alarm Clock Radio with AM FM Radios,Dual Alarms, Snooze, Large LED Display with Dimmer, Battery Backup,Sleep Timer Large Display Alarm Clock Radio: Big (1.2 ") red LED number display is easy to read from anywhere in the room. One button touch dimmer enable you to set brighter in daytime and softer at night . Digital AM FM Radio : 20 radios channels can be preset include 10 AM and 10 FM, easily tuning in your favourite radio station to listen daily news, weather forecast ect . Dual Alarms With Snooze : Enable to set two different wake up time , each alarm can be turn on/ off separately .Wake up to buzzer or radio as your preference . Snooze function will mute alarm 9 minutes , which will repeat up to one hour if you keep using it . Sleep Timer: Fall asleep to the radio using the programmable sleep timer (10-90 minutes).12 Hrs system ,The PM indicator will light up when time reach to 12:00. Battery Backup : Powered by AC wall outlet , 2*AAA battery needed for backup ,Which to maintain your clock and alarm settings during a power outage, it will be reset to the correct time and date when the power returns