Dual fuse car fuse - Dual fuse design provides enhanced protection. When a fuse blows, you can replace it immediately with the included spare fuse. - The set ships with multiple amperage fuses, so you have options to match different circuits. Car fuse block - Includes a label sticker. You can stick the label on the connected electrical appliance to indicate its function or connection according to the sticker name. Fuse block - Exquisite workmanship and a reasonable, practical structure. Designed to be professional in appearance and easy to use, delivering reliable convenience. Battery distribution block - Acts as a fuse box. Targeted for large scale vehicles and watercraft, including off-road vehicles, RVs and boats. Use scenarios - Off-road vehicle setup: power auxiliary lights, a fridge, and charging devices with a compact, organized fuse arrangement and spare fuses ready for quick replacement. - RV electrical system: distribute power to essential appliances and accessories, with clear labeling to simplify maintenance and troubleshooting. - Boat or marine use: manage multiple circuits for navigation electronics, lighting and pumps in a compact fuse box designed for vehicle and watercraft environments.