Global Tier 1 brand as announces by Bloomberg NEF. Bifacial Mono PERC Module. Capable of generating power at back side, at least 70% efficiency of the front side. Anti-PID (potential induced degradation). Passed anti-PID test under 85% damp heat, 85% relative humidity for 96 hours. Great Durability against extreme conditions. Passed salt mist corrosion test, ammonia corrosion test, dust and sand test, fire test, all certified by TUV. Outstanding mechanical load resistance. 3800Pa wind load, 5400Pa snow load. World famous insurance. CHUBB(USA), Solar Insurance&Finance(Netherlands).