Solar tiffany-style post caps light up your deck day and night with solar power and the beauty of stained glass. Manufactured with real glass top that is sealed to withstand the elements. Base that attaches to the post is made of real cedar wood, ready to accept stain/paint or be left to unfinished to weather naturally. 1W internal LED lamp, NiCAD batteries included. Fits standard 3-1/2" (4x4 wood) post. 2-year warranty. UL Listed.