solar panel have passed UL, TUV, IEC, VDE, CE international certification and ISO9001:2000. Solar panelModel: PLM-160/24 Maximum Power(Pmax): 160WattProdcution Tolerance ... (type, material and thinness): Anodized Aluminium alloy frame, 40mm thinnessCell: Mono-crystalline siliconNumber of cells: 72Weight: 16kgType of junction box ...