• ISO TUV CE VDE IEC UL certifications
• Resonable price, High-efficient and High-quality service
• High-quality material:  MC-4 connectors, Krempel TPT, LAPP Cable
• Warranty: Pm is not less than 90% in ten years and not less than 80% in 25 years.
• Operate Temp.Scope: -40℃/85℃
• Relative humidity: 0-100%   
• Resistances: 227gsteel ball falldown from1mheight and60m/swind