Bottom Colored Light: Creating a relaxing ambience with calming glow. 7-color options to choose from or you can turn it off. Sleep Timer & Precise Volume Control: Let noise maker run continuously or set a timer from 15 to 120 minutes. And you can choose from 30 levels of volume for precise control. 18 Soothing Sounds to Help You Sleep: Get a peaceful sleep with 5 white noises, 3 fan sounds and 10 nature sounds including ocean, lullaby, waves, rain, thunderstorm, brook, croaking, bird chirping, summer night, and campfire. Adjustable Clock Face Brightness: Allowing you to adjust the clock face from way too bright to completely dark and anywhere in between. 2-in-1: Sound machine and alarm clock, all in one. Get a good night's rest while still getting up on time. Its high-quality 5W speaker help block disruptive environmental noises.