220W pv modules,have TUV,IEC,CE,UL,MCS,ISO have good warranty and reliable insurance good quality best prices ,black panel. 1 ... antireflection coating and gives a uniform dark blue appearance.2) pv modules are extruded by a sheet of toughened imported glass ... within 10 years and under 20% decrease within 25 years solar module (TUV,IEC,UL,CE,ISO),black panel