wind&solar street lamp 3, the poles were: 6-12 m high, hot-dip galvanizing spray. 4, ambient temperature ... control, overcharge, over-release protection. 3, the poles were: 6-12 m high, hot-dip galvanizing spray. 4, ambient temperature ... degrees 5, for rainy days, 10 days -15 days. 6, light sources and efficient high-power LED. 7, special waterproof ... system life: more than 20 years wind&solar street lamp