Works with 12V-24V DC .
For car, boat,marine use etc.
High current circuit breaker 20AMP.
Stops power surges from damaging your Amps.
Mount on panel or firewall.
Unique push button reset can also be used as a kill switch.
Function: prevent excessive current, protect the electrical appliance.
Suitable for car audio/video system overload protection.
This product is easy to use.
Car Auto Accessory DC 12V Audio Stereo Circuit Breaker Replace Fuse 30A
100% brand new and high quality.
Material: plastic and metal.