Product Description: Our Inexaccessories fuseless Circuit Breakers offer a critical protection to your audio wiring if the system over powers or shorts the circuit the breaker will trip and save your equipment. Without the need of replacing any fuses, the system is reset with a switch. Package Includes: - 1x 80amp fuseless Circuit Breaker Technical: - Reset self-test and manual override circuit breaker - Used for car audio/video system overload protection - Input: 12-48 Volt - Current: 80A - Waterproof - Size of mounting screws M6 - Dimmensions: 7.8cm x 5.2cm x 3.7cm.