... 42,Φ60mm.6) Installation height:8-12m.7) Applicative light source:solar,energy saving,150w-400w high pressure sodium ... s demands) *Control system: Intelligent controller, overcharge and over discharge protection, light control, sound control *Light source: 20-100W energy saving ... lamps, high frequency induction lamp or high-power LED *Light body: high-quality steel, the surface of hot-galvanized, ...