A. This resettable circuit breaker is designed for automobiles and is suitable for all vehicle models. It can serve as an automatic switch for the power fuse of the car audio fuse holder, providing reliable protection for the vehicle's electrical system. B. The product is made of zinc alloy, which is strong and durable. It can ensure stable operation even in complex automotive environments. Its unique design guarantees efficient performance and a safe user experience. C. It comes in various specifications. There are two types with blue buttons and black buttons, covering a variety of current ratings such as 50A, 60A, 80A, 100A, 150A, 200A, 250A, and 300A, meeting the needs of different users. The product weighs only 0.22 (unit not specified in the original text) and is light and easy to carry. D. This circuit breaker has a wide range of applications. It is suitable for all kinds of automobiles, providing stable support for the vehicle's power system and making your driving safer and more reassuring. It is popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and is an ideal choice for automotive electrical systems. In addition, there are private labels available for authorization.