LED BACKLIGHT: 5 seconds bright LED backlight , you could also read the time without waking others up in the dark, low power consumption ,1 year long battery life with 2 AA alkaline batteries (does not include)). FIVE DIFFERENT ALARM TONES: It has 5 different music for the alarm, both passionate and gentle musics selectable; You can also adjust the volume of your clock,from the sale of 0-5. FIVE SEPARATE ALARM TIMES: With 5 separate alarm times, you could use it as a medicine reminder. (three 5-minute snoozes per alarm). RUNS QUIETLY AND SMOOTHLY: The high-quality clock mechanism works precisely and silently. Offer you a silent environment without ticking. TALKING FUNCTIOLNS: You could switching between male and female voices,it speaks : Time, Date, Week,temperature and reception status. For example: The first push: “The time is 10:09 a.m. the temperature is 87°F ” -- Second push: “Today is Friday October 21st.” -- Third push: “Time updated”. ATOMIC CLOCK: Receives precise time signal from the NIST atomic clock in Colorado; Note: you need to set your time zone first.