... hot-dip galvanizing spray treatment, including base plate strengthened, with stainless steel poles 2.5 m height, the surface of hot- ... dip galvanizing spray treatment, including base plate strengthened, with solar panels bracket, including light arm lamp cap. Monocrystalline ... 5% efficiency , battery 12V17AH, one DC12V5W LED lights , with lighting time 6-8h / day, can guarantee continuous lighting ...