... galvanized, 3.0mm thickness, coating according to client's requirements .10 years5 yearsSolar panel60W : 60W * 1piece, monocrystalline , efficeincy > ... waterproof10 years5 yearsAccessories8m cables, solar bracket , fasteners etc.10 years5 yearsWorking timeWork 10 to 12 hrs a day , 6hrs full ... requirement, with stainless steel fasteners, safter than welding tpye; 20 years life, 10 years guarantee.4. LED ...