Sunrise & Sunset Simulation: The sunrise simulation is using the LED light that gradually increase brightness from warm red to bright white to wake you up naturally in 10-60min. In the sleeping mode, LED light will dim from the brightness level you set to off to help you get sleep in 10-120min.Dual Alarm and Snooze Function: You can set 2 different alarm timeswith the two alarm buttons, one for weekdays and the other for weekend. There is also a snooze function which gives you another 9 minutes (up to 5 times) to sleep until the clock ringing again.Custom Settings: You can set 12-hour clock or 24-hour clock time display; There are 20 levels of brightness and you can choose a max brightness level so that you will be woken up comfortably and naturally; And there are 7 wake up sounds to choose from (Bird sound, Ocean sound, Stream sound, Beep, Wind bell, Soft music, Piano music) to set as your alarm sound.FM Radio, Beside Lamp, Atmosphere Light: The wake-up light can use as a FM radio and it can save 10 channels. It can use as a beside lamp (20 levels adjustable brightness) for your reading time. As an atmosphere light, there are 7 colours to decorate your room.