Upgrade your automotive electrical system with this reliable 5-pin SPDT car relay and socket set, designed for high-performance switching in 12V or 24V applications. Each relay features a robust 40A switching capacity, ensuring stable power delivery for demanding automotive circuits. The pre-wired harness includes an interlocking design, allowing multiple sockets to be securely connected for organized and hassle-free installation. Crafted for durability, these relays operate efficiently in extreme temperatures ranging from -40°C to 125°C, making them ideal for various automotive upgrades, including audio systems, lighting, and security devices. The low-power consumption design enhances energy efficiency while maintaining high sensitivity and heavy-load handling. The set includes five automotive relays with wide-pin plug-in connectors for secure connections. With a long electrical lifespan of up to 100,000 cycles, these relays provide consistent performance for extended use. Compact and lightweight, each relay measures approximately 180x30x20mm, ensuring compatibility with most vehicle setups. Perfect for DIY enthusiasts and professionals, this relay kit is a must-have for enhancing your car's electrical reliability.