with 3 m pole height , the surface of hot-dip galvanizing spray treatment, including base plate strengthened, with 3 m pole height , the surface of hot-dip galvanizing spray treatment, including base plate strengthened,with monocrystalline 25W, with over 16.5% efficiency , battery 12V7AH, with a DC12V3W LED light, lighting time 6-8h / day,