Sync this authentically detailed moon to the phase of the one outside your window. Touch a button on the remote to switch to a different light-up lunar phase. A beautiful way to learn about the 12 lunar phases of the moon and to fall asleep beneath it. Easily attaches to wall with hanger openings. Plastic. 11"H x 12"W x 3.5"D. Requires 4 AA batteries and 2 AAA (not included).