Special technology to avoid freezing and deformation of water in the frame The unique technology makes the components beautiful, strong and weather-resistant Applicable to the most environment, waterproof, oil resistance, strong acd and alkali resistance, compression and resistance, crystal beautiful appearance This solar panel can be used in, camping, hiking, hiking, picnics, charging your car battery, or in for case of, lighting up your shed High conversion rate, high efficiency output, excellent low light effect, Manufacturer: SHANGYAKEJI