Keep your vehicle's electrical systems running smoothly with this pack of four 5-pin, 12V DC automotive relays. Rated at 40 amps with a normally open (NO) contact configuration, these relays are well-suited for controlling electric cooling fans, motor starters, automotive taillights, and a wide range of other high-current applications. Each relay features durable copper contacts and a screw connector type for a secure, reliable connection. With an IP67 waterproof rating, these relays are built to withstand moisture and dust, making them dependable even in demanding under-hood environments. The compact design measures just 1.07 x 1.07 x 0.98 inches, allowing for easy installation in tight spaces. Operating on low power consumption of only 1.8 watts per relay with a coil resistance of 90 ohms, these relays deliver efficient and consistent performance. The plug-in mount style makes installation straightforward for both professional mechanics and DIY enthusiasts. This four-pack ensures you have reliable spares on hand whenever you need them.