220W pv modules,have TUV,IEC,CE,UL,MCS,ISO have good warranty and reliable insurance good quality best prices ,black panel. 1) ... 3) Heavy quality anodized aluminum frame provides high wind resistance and convenient mounting access.4) A waterproof versatile junction box ... decrease of output power within 10 years and under 20% decrease within 25 years solar module (TUV,IEC,UL,CE,ISO),black panel