Features: 1) Types: high pressure sodium lamp, metal halide lamp 2) Power: 150 - 400W, 250 - 400W 3 Features: 1) Types: high pressure sodium lamp, metal halide lamp 2) Power: 150 - 400W, 250 - 400W 3) Die cast housing and cover, toughened glass lens 4) High purity aluminum reflector and silicon rubber sealing gasket 5) Enclosure protection grade: IP65, and equipped with active carbon filter 6) ...