... 3.25 years quality guarantee 4.IEC61215, IEC61730,ISO,CE, TUV certified 1.High efficiency 2.Beautiful ... appearance 3.25 years quality guarantee 4.IEC61215, IEC61730,ISO ... the Certification of TUV, ISO and CE*High efficient solar cells*Cells are laminated with EVA, TPT ... limited warranty on materials and workmanship 40W solar panel (monocrystalline)