Features： 1、CONVENIENT USB A OUTPUT: Equipped with a built in USB A output (maximum 5V/1A), this solar panel allows you to charge small devices like your phone, outdoor security cameras, light, and flashlights directly under sunlight. It's excellent for on the go energy solutions. 2、HIGH CONVERSION EFFICIENCY: Made from A+ monocrystalline cells and PET laminated layers, this solar panel boasts an impressive conversion rate of up to 24%. Experience superior efficiency in transforming solar energy into electrical power. IP67 water resistant rated to withstand unexpected weather conditions. 3、SMART CHARGING TECHNOLOGY: Featuring a built in smart chip, the solar panel automatically detects connected devices and adjusts output current for optimal charging speed. Safety mechanisms including overcurrent, overheating, and short circuit guard ensure your devices are charged securely. 4、VERSATILE USAGE: 5V solar panel with 4 inch fan, suitable for RVs, cars, boats. Great for outdoor activities, such as camping, hiking, fishing, and emergencies. Compact and portable design for easy carrying and storage. 5、ENERGY SAVING SOLUTION: Utilize solar energy to power your devices and reduce reliance on traditional power sources. Upgraded performance and high efficiency. A must have for eco conscious individuals and outdoor enthusiasts. Specification： Item Type: Solar Panel Material: ABS, Metal Voltage: 5V DC Fan Size: 4 inches Fitment: RV, Car, Boat Package List： 1 x Solar Panel 1 x Fan