We are offering polycrystalline solar module. Key specifications special features:features:positive power tolerance 0-+4.99whigh-module conversion efficiencyexcellent weak light performancewithstand strong wingsnow load up to 5, 400pa 100%el inline inspectionperformance warranty:10-year guarantee for workmanship15-year guarantee of maximum 10% loss of power25-year guarantee of maximum 20% loss of powercertifications and standards: csa, tuv, ul1703, mcs, cec, ce, rohs