Ocean Wave projector: You can diffuse the projection on the ceiling or on the wall. The remote control is powered by battery (not included), including light mode, music changes, volume and brightness adjustment. Ocean Wave Projector has a 90 day return policy. Please go to your Amazon order detail page “Order”-“Seller”-“Contact Seller”. 360 PRO STAR DIMMABLE REMOTE CONTROL PROJECTOR: The colors are amazing, the remote control is responsive, and the colors, speed and brightness (30%-100%) of the nebula, moon and stars can be created separately. Perfect for gatherings or just relaxing in a cool atmosphere. - It will not interfere with your or your baby’s sleep; the remote control is a function to use, so you don’t have to worry about getting up to turn the children’s night light on or off. For Big Fans of Projection Star Lights: This twilight star projector light is very clear on the ceiling, the green star lights look like cascading stars on the bedroom wall/ceiling, and the blue waves
