LED WARNING INDICATOR: Red LED warning light illuminates immediately when a fuse is blown. The waterproof fuse block clearly indicates the location of a short circuit or other fault, making it safe and easy to identify and replace the faulty fuse. SAFE MATERIAL FUSE BOX: Made of environmentally friendly PBT material, the marine fuse block meets industry standards for marine applications. It is mechanically strong, insulated, heat resistant, and flame resistant, minimizing risks of cracking, deformation, combustion, or short circuits. ORGANIZED WIRING: Instead of connecting multiple wires directly to battery posts, this 12-circuit fuse block and ground bus kit provides 12 dedicated fuse positions and 12 ground terminals, keeping wiring clean and organized. Simplifies electrical installations in vehicles and boats. UNIVERSAL PROTECTION: Suitable for various applications including marine and automotive systems. With a 100 Amp main fuse capacity and 30 Amp individual circuit protection, this 12-circuit marine fuse panel offers reliable protection for your electrical setup. Includes labeled identification stickers for easy circuit recognition. Features an easy-to-open insulating cover that provides secure access to fuses and complies with ABYC and USCG requirements. Color: Black Material: PBT Package Contents: 1 x 12-position 6-way fuse block holder 1 x Waterproof and dustproof cover 2 sets x Label stickers 4 x 20A fuses 4 x 15A fuses 2 x 10A fuses 2 x 5A fuses Note: Only the items listed are included. Lighting and display differences may cause slight color variations between the image and the actual product. Measurement tolerance: +/- 1-3 cm.