This Miller Engineering Light Works USA U.S. Flag Animated Neon Window Sign features realistic animated lighting. The working billboard includes assembled electronics plus a AAA battery holder that uses three cells. This small sign can be used within HO and larger scale structures to simulate neon window signs. Electroluminescent light sheet is paper thin and produces no heat, so it′s safe to use in plastic structures. Graphic is on an oversized clear plastic background so you can cut it to fit your structure′s window. Complete instructions for assembly and use of the U.S. Flag Animated Neon Window Sign are provided.WARNING: This product can expose you to chemicals including Diethylhexl Phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov