To make you relax and planetarium in α wave music when at the end of Homestar day I want you to use before going to bed you want to relax the body and mind. Found about 40% of you are reading the Home Star, is to use experience in the bedroom. In order to develop a home star is good before going to bed, I was particular about the music and the movement of the aurora. We have reproduced the pictures of movement and high precision by optical engine equipped with the 3 groups, to control in detail the optical engine of each. The blink beautiful sunset, sunset, star in the land of Northern Europe, will change the color aurora appeared .