This 400 watt pulse start metal halide wall pack is great for lighting building facades, parking facilities, and general security lighting. Its bronze, powder-coated finish and shatter-resistant glass lens protect it from the elements and vandalism. For ease of installation, it features a quad tap ballast for use with most major voltages. 400W bulb is included. Precision Lighting quad voltage wall packs are wired to the 277 volt tap.