The dynamic aqua projector dive into a soothing submarine world calm ocean projects a beautiful submarine environment with a soft musical ambianceincludes 3 bedtime sleep programs to suit every child each preset scenario uses various parameters to help each child fall asleep dynamism rhythms light intensity and sound volume parents just have to choose the best program to suit their child and your settings will be saved for every bed timequietchild starts a short sequence 20 mins wit