... certified 1.High efficiency 2.Beautiful appearance 3.25 years quality guarantee 4.IEC61215, IEC61730,ISO,CE, TUV certified Module TypeSC100M-16SC110M-16SC120M ... and Benefits:*Passed the Certification of TUV, ISO and CE*High efficient solar cells*Cells are laminated with EVA, TPT and tempered ... power output, 2 years limited warranty on materials and workmanship solar panel (monocrystalline-120w)