Made of alloy, with good electrical conductivity, high strength, and pressure resistance. The casing is a high-tech, water-resistant housing, making it safer. The circuit breaker type automatically resets the inverter fuse and effectively stops power surges from damaging your amplifiers. The single push-button reset can also be used as a kill switch. An excellent replacement for your AGU-type fuse inverter, saving you the cost of replacing fuses. The product package includes: 1 x Circuit Breaker Reset Inverter Fuse Note: Please allow 1-3 cm error due to manual measurement. Thank you for your understanding. Monitors are not calibrated the same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. This automatic audio circuit breaker with reset fuse is a good replacement for your AGU-type fuse inverter. It can be mounted on a panel or firewall and effectively protects your amplifiers from damage caused by power surges. Specifications: Material: Alloy and plastic Color: Black Voltage: 12-24V Amperage: 100A Size (80A, 100A): 9.8 x 4.1 cm / 3.9 x 1.6 inches Package weight: 86-91g