Upgrade your automotive electrical system with our high-performance 4P and 5P Waterproof Car Relays, designed for a wide range of applications in vehicles operating on DC 12V and 24V systems. Engineered for durability and reliability, these automotive relays feature a robust silver alloy contact material and a sleek black exterior, ensuring both functionality and aesthetic appeal. With a rated operating current of 40A, these relays are built to handle demanding electrical loads, making them ideal for controlling headlights, fog lights, air conditioners, and various other automotive components. The inclusion of a red copper coil and Cu-Ag-Cr alloy touch points enhances conductivity and ensures efficient performance, while the red copper over-current protection feature adds an extra layer of safety and longevity. Crafted with meticulous attention to detail, these relays boast fine workmanship and excellent performance, ensuring they withstand the rigors of daily use. Their waterproof design provides added protection against environmental factors, making them suitable for a variety of automotive applications, including battery control, oil pump control, fan control, and more. Whether you're an automotive enthusiast or a professional mechanic, our waterproof car relays offer the reliability and performance you need to keep your vehicle's electrical systems running smoothly. Experience the perfect blend of durability, efficiency, and versatility with these high-quality automotive relays.