Description: Highly efficient mini solar cells convert to solar power into free electric energy. Multi-functional solar panel can your light or other electronic devices. reliable and energy-saving monocrystalline silicon solar cell can give you a wonderful new charging experience. Features: [Eco-friendly]A solar panel will lower the costs on your power bill and help curb your carbon emissions. [High Conversion Efficiency]Highly efficient solar cells convert up to 19.5% of solar power into free electric energy. [Useful]Polycrystalline silicon panels have the highest energy efficiency and are space efficient for the power they output. [IP65 Water-proof Solar Panel]Environmental and water-proof solar panel with long lasting material provides long lifespan. [Widely Applicable]Widely used in rural roads residential roads sidewalks landscape lighting scenic spots parks gardens streets squares etc. Specifications: Quantity: 1 Piece;2 PCS (Optional) Material: Polycrystalline Silicon Color: Black Peak power: 0.28W Working voltage: 2V Output current: 0-140mA Operating temperature: 0 to +60℃ Application: Lamp Fan Pump Toys etc Occasion: Outdoor Camping Garden etc Product Size: 5.8*3.8cm / 2.28*1.49inch Package Size: 13*11*1cm / 5.11*4.33*0.39inch Package Weight: 11g/0.02lb(for 1 Piece);18g/0.03lb(for 2 PCS) Package List: 1 * Solar Panel or 2 * Solar Panel