... 220W,230W,280W etcSize of solar panel: Any size as customizedPcs of solar panel per module: 2pcs,4pcs,6pcs,8pcs ... Horizontal / VerticalApplicable Module: Any brand of PV solar power panel moduleColor: Natural, Silver, Gray, or CustomizedFrame material: Hot- ... Steel 304, aluminum alloy 6063-T5Warranty: 10 yearsStandard: GB/T13912-2002 or AS/NZS 1170 or any other International standard color-steel panel ...