This 5-PIN 12V automotive relay kit is built to handle the demanding electrical needs of your vehicle with confidence. Rated at 40/30 amps SPDT, it is well-suited for powering horns, starters, radiator fans, motors, and other heavy-duty automotive applications. The relay carries an IP67 waterproof rating, making it reliable even in harsh under-hood conditions where moisture and debris are a concern. The kit comes with a pre-wired harness featuring 14 and 16 AWG wires, allowing for a straightforward plug-in installation without the need for extensive rewiring. Copper contacts ensure durable conductivity and consistent switching performance up to 40 amps. The 80-ohm coil resistance supports stable 12V operation while drawing only 1.8 watts of power, keeping energy consumption low. With a maximum switching voltage of 14V and a minimum of 6V DC, this relay offers a dependable operating range for standard automotive electrical systems. The socket mount design and compact dimensions make it easy to secure in tight spaces within your vehicle.