wind&solar street lamp 3, the poles were: 6-12 m high, ... degrees to +70 wind&solar street lamp1, solar panels made by ourselves2, microcomputer intelligent impulse control, light control, when additional control, overcharge ... 5, for rainy days, 10 days -15 days. 6, light sources and efficient high-power LED. 7, special waterproof battery ... 10, the system life: more than 20 years wind&solar street lamp