SABRE SITE SOLUTIONS' C30-066-020 LED obstruction light (L-810) is designed to replace single incandescent obstruction lights. This LED obstruction light is designed for structure lighting and replaces incandescent lights with technology that can last up to 5 times as long while using up to 90% less power. Can be operated as a steady burn or a flashing light. Designed for direct replacement of incandescent fixtures. 120 VAC with bottom conduit entrance.