RAB Lighting high performance LED vaporproof ceiling mount. A classic design with cutting edge LED technology. Comes with die cast guard and frosted globe. UL listed: Suitable for wet locations as downlight. Lumen maintenance: 100,000-hour LED lifespan based on IES LM-80 results and TM-21 calculations. Drivers: Constant Current, 100V-277V, 50/60 Hz, 0.48 Amp, THD is less than or equal to 20%Power Factor 97.9%. Gasket: High temperature silicone. Ambient temperature: Suitable for use in 40 degree C (104 degree F) ambient temps. Mounting: (3) 1/2" NPS conduit entry points. Color stability: LED color temperature is warrantied to shift no more than 200K in CCT over a 5 year period. Color accuracy: 68 CRI. Color uniformity: RAB's range of CCT (Correlated Color Temperature) follows the guidelines of the American National Standard for Specifications for the Chromaticity of Solid State Lighting (SSL) Products, ANSI C38.377-2011. Green technology: RAB LEDs are Mercury and UV Free, and RoHS compliant. Cold weather starting: Minimum starting temperature is -40 degree F / -40 degree C. Vaporproof LEDs are compatible with RAB Globes and Guards. Guard and globe: Shot blasted guard with frosted globe. Color temperature: 4900K. LVAPOR complies with California Title 24 building and electrical codes. Thermal management (patent pending): Die-cast LED housing designed for maximum heat dissipation. RAB LED luminaires have been tested by an independent laboratory in accordance with IESNA LM-79 and LM-80, and have received the Department of Energy "Lighting Facts" label. The design of the LVAPOR is protected by the following patents US D653,795; D651738 CN ZL201130028359.7; ZL201130028360.X, TW pat. pending MX 35699; pat. pending CA. This product is a product of Taiwan and a "designated country" end product that complies with the Trade Agreements Act. Gsa schedule: Suitable in accordance with FAR Subpart 25.4.