【Sunrise and sunset simulation】Sunrise simulation starts 30 minutes before the alarm time. The light gradually increases from 10% brightness to 100%. Sunset simulation 30 minutes before going to bed, the light is turned on with 100% intensity and gradually decreases in 30 minutes until it turns off, allowing you to fall asleep naturally. 【7 color LEDs and 10 brightness levels】 The light alarm clock offers 7 light color options: green, red, blue, purple, orange, yellow, indigo. You can feel free to choose your favorite color. Provides warm white light with 10 brightness levels. It can not only serve as mood light, but also as a daytime alarm clock. 【6 types of natural sounds and FM radio】 natural sounds with 15-level volume control. It sounds like music, birds, waves, forest, beeps, etc. so you can enjoy the sounds and smells of nature. Press the FM button, the FM function is activated and automatically searches for the radio channel. You can set your interested FM channel as alarm