Features: Automobile 12V Relays Fuses Box with Wiring Harness has high capacity holder box, package includes 5pcs 4Pin 40A JD1914 Relays and 1pcs 4 Pin RTT7121 Relays, 6pcs 5A, 10, 15A, 20A, 25A, 30A blade fuses. Made of plastic material flame retardant cover, each slot has a precise cutout, and an arcs socket is reserved on the edges, so that all your wiring is neat and beautiful. This car relays fuses box has all the necessary wires pre-wired so you can connect directly to the vehicle, avoiding the hassle of wiring. More convenient for your installation and use. Comes with functional powerful insulation cover, with waterproof and dust-proof top cover and bottom cover, wire opening hole is the outlet of all wires, which can be connect together for waterproof dust fire prevention. Suitable for all vehicles, Pickup Truck Trailer Campers Marine Boats, etc. Specifications: Material:ABS Package Includes: 1x Fuses Relays Box note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.