Pin Number: 5; Current: 40A; Voltage: DC 36V This relay has a universal application and can be used in automotive setups, car sound systems, systems, and various other applications. Made of metal and plastic, good material is waterproof, durable, and has a long time service. Easy to install, just connect the positive lead to the power supply and the light will light up. Package Includes: 3 x Relays