1. This resettable circuit breaker is specifically 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. 2. The product is made of zinc alloy, which is sturdy and durable. It can ensure stable operation even in complex automotive environments. Its unique design guarantees efficient performance and a safe user experience. 3. It comes in a variety of specifications. There are two types with blue and black buttons, covering multiple current ratings such as 50A, 60A, 80A, 100A, 150A, 200A, 250A, and 300A, which can meet the needs of different users. The product weighs only 0.22 (unit not specified in the original text) and is lightweight and easy to carry. 4. This circuit breaker has a wide range of applications. It is suitable for various types 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, private - label options are available for authorization.