1. This automatic circuit breaker switch reset fuse holder is a commonly used overload and short-circuit protection device for vehicles and boats. It is specifically designed for audio modifications in cars, RVs, and yachts, with wide applicability and suitable for various vehicle models. 2. This protection device is made of bakelite material, which is not only sturdy and durable but also weighs only 0.12 kilograms. Its lightweight design does not add extra burden to vehicles and boats. It has dimensions of 84*56*43 millimeters, is small and delicate, and is easy to install in limited spaces. 3. In terms of performance, it has a voltage range of 12 - 48V, a power of 10W, and a signal-to-noise ratio of 10dB, which can provide stable and reliable protection for the electrical systems of vehicles and boats. 4. It offers a variety of specifications, including 30A, 40A, 50A, 60A, 80A, 100A, 125A, 150A, 200A, 250A, and 300A, which can meet the diverse needs of different users. 5. Due to its excellent design and reliable performance, this product is popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It also has an authorized private brand, and its quality is trustworthy. Whether for the daily use of vehicle and boat electrical systems or for special needs such as audio modifications, this automatic circuit breaker switch reset fuse holder is a good choice.