Die-cast aluminum housing, door and two-position latch, Integral hinges for hands-free maintenance and tool-less entry, Optical design creates consistent distribution and scalability, Choice of 12 high-efficiency, patented AccuLED Optics™, Standard in 4000K (+/- 275K) CCT and nominal 70 CRI, Suitable for operation in -40°C to 40°C ambient environments, Proprietary circuit module withstands 10kV of transient line surge, IP66 Rated LightBARs, Five-year warranty