More efficient Monocrystalline solar cells, capture more solar energy efficiency of up to 22%. Material：Monocrystalline silicon. IP66 Waterproof Durable Panel. IP66 waterproof design, which can effectively prevent weathering, with impact resistance, waterproof, rustproof and corrosion-resistant, and can withstand the harsh weather from -20℃ to 60℃(-4℉~140℉), and have a longer outdoor service life.
eBay