1 poly panel 2.TUV standard flash test 3.CE,TUV,UL,MCS ... 1: Anodized Alu Frame 2: Tempered Glass 3: EVA 4: Solar cell 5: EVA 6: Backsheet 7: J-box More size ... and models Small mono soalr panel are available,watts ranges from 3w-280w,OEM,small order ... with me on trademanager or send enquriy. Mini Round Photovoltaic Poly Solar Panel Made-in China