Price reduced! This is an easy-to-use home planetarium ☆ It can be powered by 3 AA batteries or via USB connection to a power outlet. You can turn it on with the lamp cover attached (it can also be used as indirect lighting) or remove the lamp cover to use it as a projector! Includes USB cable, instruction manual, round film, and top ring. It's an older item. There are some scratches and stains, and they didn't show up well in the images, but there are also scratches on the lamp cover and film. There may be other overlooked issues. Please understand the above before purchasing.