Features: This solar panel has a conversion efficiency of up to 23% and can maintain good performances even in low light conditions, ensuring you get the best electricity conversion in various environments. 12V controller, equipped with multiple interfaces. It can easily connecting devices such as tablets, cameras, and mobile phones, and comes with a car battery clip for convenient charging of car batteries. The solar panel adopts corrosions resistant aluminum frame, achieving IP67 protections levels, with excellent waterproof and dustproof performances, ensuring safe use in outdoor and harsh weather conditions. The controller is equipped with a highly definition display screen, which facilitates real-time monitoring of voltages, current, duration, and battery levels. The button design is simple and easy to operate. Very suitable for various off grids applications, including boats, electric vehicles, and trailers. In addition, it can also serve as a backup power sources for cabins, hotels, and homes. Specifications: Component: Solar Panel and Metal Type: Single/Double Solar Panel Size: about 28x28cm/11x11inch Package Includes: 1pc Solar Panel 1pc Solar charging Controller 1pc Battery Clamps note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.