contact me:himin24 at hotmail dot com Standard: TUV, CE certificate MONO or POLY: mono Frame (Material, Corners, etc.) : Aluminum Standard Test Conditions: AM1.5 100mW/cm2 25'C Warranty :2 years High-power module(180w) using 125mm square monocrystalline silicon solar cells with 14.1% module conversion efficiency Photovoltaic module with bypass diode minimizes the power drop caused by shade. Textured cell surface to reduce the reflection of sunlight and BSF(Back Surface Field) structure to improve cell conversion efficiency:16.9% Using low-iron tempered glass, EVA resin and aluminium frame for extended outdoor use DC 24V system and high-voltage output for grid connected system Output terminal: Lead wire with waterproof connector