Metal Halide light bulbs are a type of high intensity discharge light. They are specialized for bright white illumination, typically used to light stadiums, construction sites, and parking lots. Because of how they operate, they generally require a warm-up period to reach full brightness.
Sylvania's model 64404 light bulb uses 250W of power, with a brightness of 20000LM lumens. It fits a Mogul Extended (EX39) base, and produces a cool white light. With typical use, it lasts about 10000 hours on average before requiring a replacement. This product is sold in multiples of 6. It comes with a standard manufacturer's warranty, and its UPC is 046135644047.