... :Engineer Steel, on top of the pole.Pole System:Lifespan: More than 20 years8M Height, tapered Pole, Steel,Hot-Dip Galvanized. Plastic Coated ... cloudy or rainy weather.2. Our solar street light system configurations can be customized based on client's specific project ... temperature due to sunshine exposure or too cold weather. 4. Pole patterns are standardized type, practical and economical, which can ...