Flight Light L-810 Incandescent Red Obstruction LightCondition:* New old stock, no OEM packaging. As pictured. Additional Notes:* Flight Light L-810, Obstruction Lights are used on buildings, antennas, towers, cranes, and any other kind of obstacle which occupies airspace. * Each Fixture Includes a Glass Fresnel Globe which is colored red for most applications. * The fixtures are either a single or a double lamp housing and made with 3/4 or 1 internally threaded housing. * A side-mounted option is also available. These obstruction lights operate on a 120 Volt or 230 Volt circuit. * The Fixture Includes an Incandescent 116 Watt, A21 Medium Screw Base Lamp.* The only FAA certified L-810 incandescent red obstruction light produced in the world.* Night Vision Goggle (NVG) friendly, NVIS compatible for military, police, and EMS applications.* Die cast aluminum with aviation yellow powder coat finish and stainless steel hardware.* Direct installation into existing voltage power circuit.* Direct mounting to conduit, bottom or side mounting options available.* Standard configurations come with 3/4 threaded fittings.* Photocell option for automatic activation at night.Flight LightL-810