"Function: This Circuit Breaker Can Protect The Amplifier From Being Damaged By The Over-Load Current Or Voltage. Meanwhile, The Power Supply Can Also Be Protected To Avoid Battery Crack And Explosion Caused By Short Circuit.^Specification: 150A, 12V-24V Dc, Compatible With All 12V/24Vsystems. Use In Place Of An Inline Fuse Holder And The Unique Push Button Reset Can Also Be Used As A Kill Switch.^Effective: No Need To Replace The Fuse -- Save Money. Suitable For Car Audio/Video System, Boat, Trucks, Buses, Rv'S, Atv Winches, Marine And Dc Sound Amplifier System Overload Protection.^Easy To Use: Manual Reset, Just Press On The Button And The Circuit Will Close/Open.No Need To Disassemble The Power Cord And Screw Terminals Hold Cables Securely In Place, Can Be Mount On Panel Or Firewall.^Durable: Made Of Alloy Materials, High Tech Water Resistant Housing, Good Conductivity, Strong Temperature And Pressure Resistance^"