Cree LED Lighting CXB Collection LED Low-bay/high bay luminaire features die-cast aluminum heatsink. White acrylic reflector offers uniform light distribution. This 16.6-Inch Dia round luminaire uses lamp that has voltage rating of 120 – 277-Volt and current rating of 0.15-Milli-Amp at 10-Volts. Lamp has color rendering index of 80 and color temperature rating of 4000K to ensure optimal light level in the surrounding. LED Lamp offers 18000-Lumens of bright light output. This hook/cord mountable luminaire with low-profile and lightweight design provides ease of installation. It is ideal for downlight applications. It has efficacy of 127 LPW. This luminaire is ideal for grocery, gymnasium, industrial, retail and warehouse spaces. Luminaire is cULus listed, DLC certified, RoHS and FCC compliant.