1.PV solar panel, mono & poly 2.TUV, IEC, CE,UL,ISO certified 3.Solar panel will attend HK Lighting Fair in October. 12V Solar panelWe can supply the poly crystalline solar panel from 0.5-280watt.Solar panel efficiency rate: 13.2%-14.5%Vmp rate: 36.6VWarranty: 3 years product warranty and 20 years 80% of power,25 years lifetime