Features: The switch is designed with a self-resetting overload protection, which can quickly break the circuit when the current is overloaded, protecting your car audio and electrical equipment from damage. Easy to Use: The product features an insurance switch function, allowing users to open or close the circuit at any time as needed, making it very convenient and practical. Self-Resetting Function: The product automatically recovers after the overload situation is resolved, returning to normal operating mode without manual intervention. High-Quality Materials: Crafted from premium materials, this product boasts high temperature resistance and wear resistance, ensuring long-lasting use and durability. Simple Installation: The product is easy and convenient to install, simply connect it to the corresponding circuit without complex operational steps. Car Audio Enthusiasts: Ideal for car audio enthusiasts, it provides overload protection for audio equipment, ensuring stable long-term operation. Yacht Users: Also suitable for yachts requiring electrical equipment, it protects various electrical devices from current overload damage. Specifications: Material: Metal, Plastic Voltage: 12-48V Size: Approx. 52x35x69mm/2.05x1.38x2.72in Type: 50A/60A/80A/100A/150A/200A/250A/300A Note: Please allow 1-2 cm error due to manual measurement, please ensure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1x Circuit Breaker