Large LCD Display Blue Backlight Digital Morning Clock Thermometer White Real Bigger LCD Screen,Energy Saving,Bold Typeface,Clear and Comfortable Visual Sense Technology,gently touch the top SNOOZE/LIGHT button to active blue backlight. Smart Light,Built in Night Light Sensor,LCD Back light Turns on Automaticaly 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. Circumstance Temperature Monitoring Function,Make Yourself a Easy Life. Power Source:2 AAA Battery(Not included).Notice:No Radio Function