The rooftop solar panel set from A SOLAR is the clean, quiet, and renewable way to provide power for all applications, while reducing electricity cost. Equipped with high-efficiency photovoltaic cells made of quality crystalline silicon, the product provides high energy conversion performance from sunlight into electricity. The set includes a solar inverter to convert DC output from solar modules for supplying electric current to AC-powered appliances. It is also designed for convenient usage, allowing you to easily operate and monitor entire system on the smartphone application. Plus, the product features excellent weather resistance, making it great for installation in any residential and commercial buildings.