High Capability Fuse and Relay Box: Equipped with 5 x 5-Pin JD1914 12V 40A Relays and 1 x 4-Pin RTT7121 12V 40A Relay, 6 x ATC/blade fuses (5A, 10A, 15A, 20A, 25A, 30A). Universal waterproof fuse relay block for 12V automotive vehicles, including SUV, UTV, ATV, RV, pickup trucks, cars, and marine boats. Perfect Pre-Wiring: The fuse block and relay kit come with all necessary wiring pre-installed. No need to add terminals or wiring harnesses separately. Connect directly to the vehicle to simplify installation. Corresponding wire numbers are clearly marked for easy setup. High Performance: The 12V automotive fuse relay box is constructed with high-quality flame-retardant ABS housing. Dustproof design with a durable and reliable structure. Each relay slot features precise cutouts and arc-resistant outlets for enhanced safety. Safe Design: The 12-volt fuse and relay box is made from high-temperature resistant materials to provide reliable protection for electrical components in the engine compartment. Offers secure and stable performance. Special Mounting Legs: Features high and low mounting legs to fit angled engine compartments or trunk areas. For flat surfaces, additional rubber pads can be used to level the unit. Allows easy and organized connection of all relays for a clean installation. Color: Black Material: ABS Note: 5-Pin relays can also be used as 4-Pin relays. Package Contents: 1 x Fuse Relay Box with Cover 5 x 5-Pin JD1914 12V 40A Relays 1 x 4-Pin RTT7121 12V 40A Relay 6 x ATC/Blade Fuses (5A, 10A, 15A, 20A, 25A, 30A) Note: Light reflection and display differences may cause slight variation in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.