Silent Vibrating Travel Alarm Clock...Wake Only Yourself Up!!! Wake up to a gentle vibration if you dont want to wake others up or you can rise to a cenventional beeping sound. Big digit hour/minute/second backlight display ideal for desk or night stand. When you close the cover, the beep alarm automatically switches to the quiter vibrate mode. Built in timer counts down 24 hours. 12 minute snooze feature.