sharp digital alarm clock – black case with red leds - ascending alarm grows increasing louder, gentle wake up experience, dual alarm - battery back-up, easy to use with simple operation sharp digital alarm clock with dual alarm easy to set dual alarm the alarm clock has the option of two alarms. set one for weekdays and the other for weekends. ascending alarm volume the alarm will increase in volume over time to offer a more gentle wake up experience. easy to use digital alarm clock with dual alarm - this clock has been designed with absolute simplicity in mind and is very easy to operate. perfect for adults, children, teens, seniors and the elderly. easy to set dual alarm - set one for weekdays and the other for weekend! ascending alarm volume - the ascending alarm begins sound faintly and then grew increasingly louder for gently wake up without being awakened abruptly. alarm battery back up (requires 2x aa battery, sold separately) sleep with confidence knowing that your alarm will continue to function even in the event of a power outage. the display will be lit after power is restored. easy to read illuminated green led digits - easy to read green numbers on the clock are very clear with extra bright quality, see from across the room or even without glasses in the middle of the night!