Function: 1. Suitable for outdoor emergency charging, with better cooling and ventilation fan, mobile phone emergency charging. 2. High conversion rate, high output efficiency, excellent efekt of low light. 3. Overload protection, reverse protection, DIY backpacks and instructional purposes. 4. Durable, thin and lightweight, easy to use and carry. Solar panel, suitable for light rain outside. 5. It uses for charging mobile phone, motion camera and other 5V equipment, charging car, boat and other 12V car battery. Specification: Item Type: Solar Panel Material: monocrystalline silicon Color: as shown in the pictures Solar Panel Size: Approx. 420x280x3mm/16,5x11x0,1 inch Weight: Approx. 680g/24 ounces Solar Panel Power: 20W Solar Panel Operating Voltage: 18V Solar Panel Open Circuit Voltage: 21,6V Solar Panel Short Circuit Current: 1,11A (Maximum) Output port: dual USB, DC5521 female head Product features: integrated voltage regulator module, dual voltage output 5V USB Product Application: Mobile phone charging, motion camera and other 5V equipment, car charging, boat and other 12V car battery List of packages: 1 x Car Charger Cable 1 x Terminal Cable 2 x Hook 4 x Suction Cup 1 x Solar Panel Note: Don't let the positive and negative ends of the clamp come into contact with or connect to each other. This will cause short circuit and burn.