255W mono solar panel: 1. A grade high efficiency solar cells. 2. TUV/IEC/CE/CEC 3. Fast shipment 4. 25 years ... plant, roof installationFEATURES`Long Service Life`High Efficiency Solar Cells`Special Aluminum Frame Design`High Transmission, Low Iron Tempered Glass`Advanced ... AM1.5, and 25°C) High quality from China Supplier of 255W mono crystalline solar panel, PV module, TUV, IEC, CE, CEC certified