Philadelphia Clear Backing Neon Sign 20" Tall x 37" Wide Philadelphia Clear Backing Neon Sign is handcrafted with Real Glass Tube Neon Sign. Made in USA!! Sign is mounted on very rugged clear backing. Easy Install, hanging hardware & chain are included 6' Power cord with standard transformers. UL Lited 110 volts Trasnformer, one Year Warranty on electrical components & transformers.