Dimmable and ETL-listed, 32w Amber LED Round Dome Top Bollard with Type 5 Glass produces light visible to humans but not most other species (590–690 nm). LED array, which produces 4,431 lm, is mounted in top of bollard facing down, with 120° optics. Design minimizes light pollution in communities where excessive artificial lighting can potentially harm ecosystems. Measuring 7 x 7 x 43.38 in., this 27 lb product features 120–277 V rating, electronic ballast, and clear polycarbonate lens.