Feature:1. Dual USB Output: This solar panel has dual USB ports, can charge for multiple small devices at the same time, such as smart phones, tablet computers, digital cameras, etc.2. Better Efficiency: Using monocrystalline silicon battery, with high conversion efficiency, the performance is better than that of polycrystalline solar panels in the case of insufficient light.3. Portable Design: This foldable solar charger is suitable for camping, horse riding, rock climbing, etc. outdoor activities. Equipped with 2 climbing buckles, convenient for carrying.4. Stable Solar Charging: The solar panel will automatically resume charging when moves from shadow area to sunlight area, obtain a smoother charging experience.5. Energy Saving: This charging method is energy saving, environmental friendly, and very convenient for outdoors.Specification:Item Type: Solar PanelMaterial: Monocrystalline silicon, 600D waterproof clothMaximum Power (pmaximum): 20WOpen Circuit Voltage (voc): 6VMaximum Power Voltage (vmpp): 5VShort Circuit Current (isc): 2.8AMaximum Power Current (impp): 2.5AOutput Type: Dual USBStandard Test Conditions:AM: 1.5Irradiance: 1000W/Temperature: 25.Package List:1 xSolar Panel2 x Climbing Buckles1 x ManualNote:1. Please do not scratch the surface of solar panel with sharply objects.2. When charging the charger with solar panel, please place the solar panel upward in direct sunlight to ensure the best charging effect.3. Please do not place the charger outdoors in rainy days to avoid short circuit. (The front of solar panel is not afraid of rain. Just be careful not to let water enter the USB and DC interfaces.)4. Please do not use corrosive liquid to wipe the product, scrape the surface, bend or curl the battery panel excessively.