ITEM NAME:100 Amp In-Line DC Circuit Breaker Solar/Audio/Car/RV Description: Brand new and high quality ,easy to use and durable. Manual open circuit push button,Self-Testing & Manual Override,No fuse change trouble. Suitable for car audio/video system overload protection,prevent excessive current, protect the electrical appliance. Apply in connecting audio power line,Use in place of an inline fuse holder. Can be mounted on panel or firewall,works with 12v-24v DC battery for car, marine, bost, bike, etc. Specification: Material: Zinc Alloy Size Chart: Size: Approx. 10x4.2x4cm/3.94x1.65x1.57inch Package Includes: 1 Piece 100Amp In-Line DC Circuit Breaker Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.1 Piece 100Amp In-Line DC Circuit Breaker. Suitable for car audio/video system overload protection,prevent excessive current, protect the electrical appliance. Manual open circuit push button,Self-Testing & Manual Override,No fuse change trouble.