Perfect Backlight Alarm Clock: With big white LED numbers, easy to read day or night and adjustable 2 levels brightness can be easily adjusted depending on personal preference. With 12/24 time switchable, alarm clock, snooze function and temperature display. Temperature display Under time mode, press MODE button to display the temperature . Press DOWN button to switch the the temperature display between / unit Under temperature mode, hold MODE button until the BI sound heard. The LED will switch display: temperature( 5 second) -> time (10 second) -> repeatHold MODE button again until the BI sound heard, it will back to time mode. Snooze & Memory Function: Just press the SNZ button to when the alarm rings to have 5 more minutes snooze time. It has a memory function (need to used 3 AAA batteries) to remember your settings, ensure that you don't need to reset after a power failure. Comfortable Wake-up Alarm: Gentle wakeup alarm starts out soft and gets progressively louder until you turn it off. No need to choose between a harsh alarm that blasts you out of bed, or a too-soft alarm that lulls you back to sleep. USB Port & Gift: Gaoni alarm clock with high quality, it also have USB port to charge your mobile phone and other electronic devices, easy to use, especially suitable to be a gift to your family or friends. If you have any questions, please email us.