Made from recycled materials. Processed using renewable solar energy generated on-site at our Madera, CA facility. Returnable at end of life to ensure cradle-to-cradle handling. Furnished in copper-free aluminum (Type 6061-T6). Fully machined from solid billet. Unibody design provides enclosed, water-proof wireway and integral heat sink for maximum component life. Fully machined cap. Flush mounted lens.