... 1.Light source:400W-1000W High pressure sodium lamp or high pressure metal halogen lamp. 2.Lighting protection level:IP55 ... control and microcomputer control. 6.light source: 6-24*400W-1000W Sodium lamp or metal halide lamp. Application Large ... stadiums,flyovers,etc. features 1.Simple structure, large area lighting, good lighting effects, concentrated light,light uniformity, glare small, easy to ...