Konigswerk 5.3" Smart, Simple and Silent LCD Digital Alarm Clock w/ Date Display, Repeating Snooze and Sensor Light + Night Light (Green) Big LCD Screen,Energy Saving,Bold Typeface,Clear and Comfortable Visual Sense Technology,Make Sure You Can See Exactly the Time Without Troubling Sleep. Smart Light,Built in Light Sensor,LCD Back light Turns on Automatically When the Room or Circumstance Becomes Dark.and Dont Worry,This Also Wont Disturb the Sleepiness. Alarm Sound Stronger Gradually,Softly Wake You Up From Dreams,Special Designed Snooze Function,When You Turn Down The Alarm,It Will Ring Again 5 Minutes Later. Adjustable Time and Date Format,Circumstance Temperature Monitoring Function,Make Yourself a Easy Life. Power Source:3 AAA Battery(Not included).Notice:No Radio Function