The Incon Lighting 84291-13LED-120 LED post top nautical tiered decorative light is made of impact resistant white polycarbonate with a clear ribbed acrylic jar lens. It fits on a standard 3 inch pole or pier mount (sold separately) and is wet location UL listed, making it ideal for outdoor use. It uses only 14 watts of electricity but emits 900 lumens of cool white light (Equivalent to a 60W incandescent). For dusk-to-dawn operation, a photocell pole adapter can be purchased and installed between the fixture and post.