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 charging of car batteries The solar panel adopts resistant aluminum frame, achieving IP67 protections levels, with excellent waterproof and dustproof, ensuring safe use in outdoor and harsh weather conditions This solar panel has a conversion efficiency of up to 23% and can maintain good even in low light conditions, ensuring you get the best electricity conversion in various environments The controller is equipped with a highly definition display screen, which facilitates real-time 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, Manufacturer: HZBB