... acid and alkali resistant ,aging resistant.2.Suitable for villas,parks,squares,hotel,residential areas,walking-street ... 028height3-5 meterslight sourceenergy-saving lamp,High pressure Sodium,LED for your choicevoltageAC 220V,110Vwattage30W, 60W,105W,150Wmaterialsteel ... as material, scientifically designed and highly engineered facilities for both heat-sinking and decoration.surface treatmentaluminum and ...