Feature: 1. 6 circuits with negative bus and cover. Easy to open insulating cover that provides access to and satisfies ABYC/ USCG requirements.2. Red LED warning light will light up immediately when the corresponding is blown. It is both safe and easy for you to check and replace the blown . 3. Made of environment friendly material, strong mechanically, insulated, heat resistant and flame resistant. 4. Easy to install, no need complicated tools, direct replacement for old or broken one. 5. Built to meet standard specification, strictly follow factory quality control. Specification: Condition: 100% Brand New Package List: 1 x Box 1 Pack of 4 x Screw 2 x Sticker |