Travel size Braun Digital Alarm Clock with a crescendo beep alarm with snooze function, negative LCD display and rotating bezel for quick time setting. Key features: Rotating bezel — Use for quick setting of the clock and alarm. Turning the bezel clockwise advances the time, turning anti-clockwise retreats it Crescendo beep alarm — The beep alarm gets more frequent and louder if you do not turn it off Snooze/backlight function — Snooze interval is 5 minutes. Backlight illuminates for 5 seconds once manually activated Reverse LCD display — with 12-hour/24-hour setting option. The digital display may vary in contrast depending on room lighting Battery efficiency — For optimal performance in timekeeping, backlight and alarm functions, use only new alkaline batteries