The G2EP-VT Series explosion-proof LED lights is designed  for hazardous areas where flammable gasses, vapors, or liquids may be present during normal facility  operations.Combining the style and design of advanced LED technology with the        robustness  and durability of a hazardous-location luminaire, it is ideal for retrofitting existing HPS/MH (High-Pressure  Sodium/Metal Halide) fixtures, This product delivers  higher efficiency for energy savings, lower                    maintenance costs, and a shorter return on investment. The optional backup battery system provides a minimum  of 90 minutes of operation after AC power failure  in an emergency. (Contact sales for EM options)