Compact & Easy Operation & Assurance Space-saving(4.2" x 2.1") & simple operation, the design of large enough buttons allows you to easily change the settings and it is a ideal gift. There is a 365 days warranty since the purchase. If you have any questions, please feel free to contact us.12 Colors Night Light Choose from 12 different colors night light to create a comfortable and relaxing ambience. It can be used for reading lighting, nursing baby, or bedside.32 Level Adjustable Volume It is big enough to help you block outside noise, small enough to listen to yourself, does not affect others, you can adjust according to your need.5 Timer Options Continuously play, 60mins, 120mins, 180mins hours and 240mins. When the automatic shut-off comes close, the sound will gradually fade out and then turn off, won't wake you up because of changes in the sound environment.30 Soothing Sounds White noise, pink noise, fan sounds, lullabies, sea waves, rain, train, brook, river, piano, singing birds, campfire and other` natural sounds. Help fall asleep.Adjustable Brightness & Memory Function 0-100% display dimmer provides convenience for you to read or sleep at night. It can also remember the settings of sound, volume, light, timer, and brightness, so you don't need to repeat the settings.