Fixture contempo, die-cast aluminum housing and spun aluminum hood for long-life performance. Optical assembly designed for maximum performance. Multi-gasketing to provide weatherproof protection of optical assembly for full illumination performance. Hinged hood and captive screw latching provision afford quick, easy access to electrical and optical area for relamping or servicing. E39 mogul base socket standard. Suitable for -30°C MH / -40°C HPS.