Caution 4 and not 5 stars because:

The + product:
- Very pretty
- Easy to install (on crib bars or park ...) screw system to squeeze behind
- Two (sole and exclusive) are very soft music with background noise like water, crickets ...
- Mobile projection / ceiling is very pretty
- The possibility of the projection is accurate or just the pilot light (yellow light / soft orange), or just the music, or at the same time is a plus.
- Remote Start the remote (avoids enters the room)
- The possibility of removing the "mobile" party that becomes necessary, the child can catch it, and so let the pilot portion, projection and light the child.
- The motor that rotates the mobile party is genuinely silent, to have had no other motive I can compare this !!

The - Product:
- The volume of the music. For despite soft music the sound is too loud to my taste. There are 3 possible sound: O that cuts the sound, I minimum volume (too much for my taste) and the maximum volume II
So I cunning, the sound output is on the back of the base, I put scotch and a small piece of cardboard and scotch yet to come to a volume that suits me, this does not prevent the device to be hung as if nothing had happened and function normally !!
- It would have been nice to have just a touch with the sounds of nature, but without music, I find it more relaxing and soothing for the child!

I do not comment on batteries because very little use at this time (test) is expected the arrival of Miss !!
In conclusion I would recommend this product with a very good value price on amazon (35euros)
And as always fast and kept sending them