The Vevor 2-piece 100W monocrystalline solar panel set delivers up to 200W total output with conversion efficiency of at least 23% for dependable off-grid power. Each panel features built-in MC4 connectivity for quick and stable hookup to compatible solar systems. The panels are built with tempered glass, an anti-corrosion aluminum frame, and an IP65 protection rating for outdoor durability. They operate in temperatures from -4°F to 149°F and are suited for RVs, boats, rooftops, farms, yards, and cabins. Mounting brackets, controller, battery, and alligator clips are not included.