SILENT ALARM CLOCK: the silent quartz movement guarantees no ticking, ideal for those who need complete silence to fall asleep.Clock size: 8 x 8 x 4 cm (3.1 * 3.1 * 1.5 inches), compact and portable for travel.SNOOZE AND NIGHT LIGHT FUNCTION: the snooze/night light button on the top of the analog alarm clockhas dual functions: one is to turn off the ringing alarm and get 5 minutes of snooze;the other is to turn on the night light in the upper cornerright of the clock face.The yellow light is soft and non-invasive, making it easy to check the time in the dark.CLEAR DIAL DISPLAY: A large screen with bold time numbers makes the alarm clock clear and easy to read.Luminous hands help determine the alarm position at night and make it easier for the user to identifytime.GRADUALLY INCREASING ALARMS: The classic beep alarm clock has four volume rhythm levels.It goes off slowly and gets faster and louder until you turn off the alarm or press the snooze button.The ascending volume allows you to wake up naturally without being frightened by the sudden ringing of the alarm clock. EASY TO SET: An alarm switch and 2 buttons are visible on the back of the alarm clock.One button is used to set the alarm and the other to set the time.Battery information: 1 x AA battery (not included).Tips: carbon batteriesHigh quality batteries are recommended instead of powerful alkaline batteries or rechargeable batteries.