Circuit Breakers -2x Auto Circuit Breaker 12V DC 40A Car Protection with Manual Fuse Reset Switch Highlights Generic Brand 2x Auto Circuit Breaker 12V DC 40A Car Protection with Manual Fuse Reset Switch Description: Easy to use use and durable. Function: prevent excessive current, protect electrical appliance. Apply in audio power line connection. Use it instead of an integrated fuse holder. Suitable for car audio/video system overload protection. Specification: Manual Open Circuit Push Button. Self-test and manual override. Easy to use with manual reset arm. No problem changing the fuse. Can be panel or firewall mounted. Ampere Range: 40A Size: approx. 100x 40x 40mm/3.94x 1.57x 1.57inch Package Include: 2 Piece Circuit Breaker Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.