High Pressure Sodium light bulbs are a type of high intensity discharge light. They are ideal for outdoor lighting of streets, garages, and parking lots, as well as indoor settings where color rendering is not critical, such as warehouses and shipping bays. While they tend to have longer life spans than traditional incandescent lights, they use much more energy.

Sylvania's model 67533 light bulb uses 400W of power, with a brightness of 50000LM lumens. It fits a Mogul (E39) base, and produces a very warm white light. With typical use, it lasts about 24000 hours on average before requiring a replacement. This product is sold in multiples of 15. It comes with a standard manufacturer's warranty, and its UPC is 046135675331.