Specifications 280w solar photovoltaic panel 1. ISO, TUV, UL, CE, CEC 2. High conversion efficiency 3. quick delivery 4. 5 years of warrenty at least Characteristics of solar module: +- 3% output tolerance which can provide our customers with stable product performance. Lower output attenuation which can ensure the investors can get more return on investment. Good-quality anodized aluminum frames and robust tempered glass which have high module resistance to climate extremes such as wind and hail, and it can also resist humidity and chemical etching. Quality and Warranty Quality control system meets the international standard output, and 25 years warranty on 80% output. The factory passed ISO9001:2008 (Quality Management System) certification. Recommended Application On-grid Utility System Rooftop on-grid commercial system Off-grid residential, commercial system Company Name: Omnia Group Co., Ltd Street Address: Unit 905, Workingberg Commercial Building, 41-47, Marble Road Country/Region: Hong Kong Telephone: 852-28113620