Features & Details： 1. 12V Fuse Relay Box - Equipped with 6 way 4-pin 40A relays, this fuse box delivers superior power handling for a wide range of applications 2. Pre-Wired Convenience - Pre-wired with color-coded wires for easy clarification and connection of wires. This 6-slot relay box simplifies complex installations, keeping your wiring neat and organized 3. Protection and Safety - Every circuit is protected by a total of 8 ATC/ATO blade fuses (including 3A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A options), ensuring your devices are safeguarded against overcurrent 4. Built for Durability - Sealed with a splash-resistant and dust-resistant design, this relay box protects against corrosion and moisture damage. Ideal for engine compartments, marine setups, and outdoor use.