One battery powers this LCD digital alarm clock from La Crosse. This alarm is simple to operate and has a four-minute snooze duration. Be sure to wake up on time when you use this digital alarm clock from La Crosse. Featuring a black case and a bright LCD time display with white backlight, this clock leaves no excuse for misreading the exact time. The beeping alarm ensures you never miss an important appointment again. Plus, with its battery operation (requires one AA -not included) it's completely portable for on-the-go or constant traveling.