Features: Precision Design for Neat Wiring: Each slot has precise openings, and there are arc-shaped sockets reserved on the edges, making all wiring neat and beautiful. Powerful Capacity: The automotive relay fuse box uses a 12V power supply and has a high-capacity bracket. It includes 5 pieces 40A JD1914 relays and 1 piece 4 pin RTT7121 relay, as well as 6-piece fuses of 5A, 10A, 15A, 20A, 25A, and 30A. Superior Protection: The relay fuse box has a powerful nylon insulating shell, with waterproof and dustproof top and bottom covers. The wire opening hole is the exit for all wires, which can be well connected together for better waterproof, dustproof, and fireproof performance. Wide Applicability: The automotive relay fuse box is suitable for all vehicles, including off-road vehicles, jeeps, SUVs, UTVs, ATVs, RVs, pickup trucks, trailers, campers, boats, etc. Easy to Install & Use: All necessary wires are pre-wired and can be directly connected to the car, eliminating the hassle of wiring, and making installation and use more convenient. Specifications: Item Name: Fuse Box Main Material: Nylon Color: Black Size: 173*72.5*96mm Package Information: Package Size: 18.5*9.3*11cm Package Weight: 591g Package List: 1 * Relay Holder Box with Pre-Wiring 6 * ATO/ATC Fuse 5 * 40A JD1914 Relay 1 * 4 Pin RTT7121 Relay