1.PV solar panel, mono & poly 2.TUV, IEC, CE,UL,ISO certified 3.Solar panel will attend HK Lighting Fair ... 20 years 80% of power,25 years lifetimeCertificate: ISO9001:2000, UL, CE, TUV, IEC,CEC.Electrical Characteristics CharacteristicsLMS-200SI LMS-210SI ... ~ +85°C Maximum system voltage 1000 V DC 1000 V DC 1000 V DC 1000 V DC Power Tolerance ±3 % ±3 % ±3 % ±3 % PV ...