4000K Color Temp 48 watt, 5472 lumens LIGHT ENGINE: Composed of 3 main components- LED Module/Optical System/Driver. ROHS compliant. Metal core substrate ensures greater heat transfer and longer lifespan IP65 Rating Vibration Resistance LENS: Heat and Impact resistant tempered glass lens and electronics compartment providing an IP65 seal. Lens secured with silicone seal and clips, lens includes silk screen for aesthetic purposes