EXTREMELY SIMPLE TO OPERATE - The cool compatible with SHARP clock has been designed with absolute simplicity in mind! Easy for boys, girls, toddler, kids, teens, seniors and the elderly. LOUD ALARM AND SNOOZE - The bedside alarm clock comes with one of the loudest alarms available which can be set at Low or High in volume. There is also a 9 minute snooze that can be continually pressed until the alarm itself is switched off JUMBO ILLUMINATED LED DIGIT DISPLAY WITH HIGH/LOW BRIGHTNESS - The red numbers on the black clock are very clear with extra bright quality, easy to see! If desired, there is a high/low option to set the brightness to your own personal comfort level. AC 120V ELECTRIC POWERED, WITH BATTERY BACK UP - To power the clock, just plug the power cord into a standard US 120V outlet (do not use with 240V) and you are good to go. Use one 9V battery for back up in case of a power outage. During battery back up the screen goes blank but alarm and time settings are retained and the alarm will still sound. •EXTREMELY SIMPLE TO OPERATE - The cool compatible with SHARP clock has been designed with absolute simplicity in mind! Easy for boys, girls, toddler, kids, teens, seniors and the elderly. •LOUD ALARM AND SNOOZE - The bedside alarm clock comes with one of the loudest alarms available which can be set at Low or High in volume. There is also a 9 minute snooze that can be continually pressed until the alarm itself is switched off •JUMBO ILLUMINATED LED DIGIT DISPLAY WITH HIGH/LOW BRIGHTNESS - The red numbers on the black clock are very clear with extra bright quality, easy to see! If desired, there is a high/low option to set the brightness to your own personal comfort level. •AC 120V ELECTRIC POWERED, WITH BATTERY BACK UP - To power the clock, just plug the power cord into a standard US 120V outlet (do not use with 240V) and you are good to go. Use one 9V battery for back up in case of a power outage. During battery back up the screen goes blank but alarm and time settings are retained and the alarm will still sound.