A. This is a circuit breaker and audio resettable fuse holder switch suitable for scenarios such as cars, RVs, and yachts. B. It is exquisitely designed and made of bakelite material. Bakelite has good insulation, heat resistance, and mechanical strength, which can provide reliable protection for the equipment and ensure safety and stability during use. C. It has good adaptability and is suitable for general vehicle models. It can be easily adapted to any type of car without worrying about compatibility issues. D. It has a wide range of specifications, covering various current specifications such as 30A, 40A, 50A, 60A, 70A, 80A, 100A, 120A, 150A, 200A, 250A, and 300A, which can meet the diverse needs of different users in different scenarios. E. In terms of usage, it can be used as a circuit breaker to provide overload and short - circuit protection for the circuit and ensure circuit safety. It can also be used as an audio resettable fuse holder switch to protect audio equipment and prevent damage to the audio due to excessive current. It can ensure the electrical safety of equipment such as cars, RVs, and yachts and improve your audio experience. In addition, the self - owned brand can be licensed, providing more possibilities for your business expansion.