ITEM NAME:DC 12V-24V Car Audio Inline Manual Reset Circuit Breaker Fuse Switch 50AMP Description: Easy to use and durable. Function: uitable 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. Manual open circuit push button,Self-Testing & Manual Override,No fuse change trouble. Can be mounted on panel or firewall,works with 12v-24v DC battery for car, marine, bost, bike, etc. Specification: Material: Metal+Plastic Size: Approx 100*40*35mm Works with DC 12V-24V Package Includes: 1 Piece Circuit Breaker Reset Fuseholder 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.Manual open circuit push button,Self-Testing & Manual Override,No fuse change trouble. Apply in connecting audio power line,Use in place of an inline fuse holder. 1 Piece Circuit Breaker Reset Fuseholder.