- Wake up with the sunrise: Simulating the morning sun, in 30 minutes the light color will gradually change from gray-white before sunrise to bright yellow at sunrise, then follow with alarm music. - Fall asleep with Sunset: Sleeping at sunset at night is clinically tested to help you sleep better. The light will gradually dim with sleeping music within 10-60 minutes. - Natural Sound Alarm: There are 4 natural sounds as alarm options for you to choose. The sound will gradually rise from the sun and let you wake up comfortably. - Soft sleep sound: white noise, sound of wind, sea waves or river 4 sleep sounds for sleep . Sound turns off automatically with light. - Record your sound: You can record any sound you want to use as alarm sound in the morning or relaxation sound at night. Record your own alarm or lullaby.