When using high-pressure sodium lamp, golden white light emits, with high luminous efficiencyis, less power consumption, long life, strong ability to penetrate fog and without attracting insects and so on. Widely used in roads, highways, airports, piers, docks, stations, squares, street intersection, industrial and mining enterprises, parks, garden lighting and plant cultivation. High-color rendering and high-pressure sodium lamps are mainly applied to stadiums, exhibition halls, casinos.

http://www.xingzhoulighting.com/sodium-light/xz-ld-402