DC 12V Car Stereo Audio Circuit Breaker Inline Fuse 80AMP
Specifications: 12 Volt - 80 Amp
Size(approx): 100mm (L) x 41mm (W) x 38mm (H)

Features:
Easy to use and extremely durable.
No fuse changing trouble.
Manual open circuit push button.
Self-Testing & Manual Override.
Easy to operate with manual reset arm.
Can be mounted on panel or firewall.
Use in place of an inline fuse holder.
Suitable for car audio, video system overload protection.

Function: prevent excessive current, protect the electrical appliance.