Features: 100% brand new and high quality. High-quality solar cells convert up to 23% of solar power to energy. Ultra-thin and foldable design makes it easy to carry, convenient to use. Automatically recognizes your devices to provide the optimal charging current and speed up the charging process. Come with 2 carabiners can attach it to backpacks, trees, or tents. Great for any outdoor activities such as camping, climbing, hiking and more. Solar Panel Type: Monocrystalline silicon Color: As picture shows Conversion efficiency: 21% Solar Energy Output: 5.5V, 2A Output Port: USB Expand Size: 34.5*18.5*0.5cm Folding Size: 16.5*10.5*3cm Power: 20W Package Include: 1X 20W Foldable Solar Charger with/ USB Port Note: 1. Please allow 1-3MM differs due to manual measurement. 2. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.