Thank you for viewing. This is a general-purpose 2-piece set of 12V 4-pole relays with 40A 4-pin connectors and wiring. Product Specifications: * 12V car 4-pole relay (with connector wiring) * High capacity of 40A, can be used for aftermarket fog lamps, adding daytime running lights, and power supply reinforcement * Can be used for various purposes such as switching electrical components, wanting to draw power directly from a constant power source, or linking with electrical components * Can also be used for horn installation, HID, LED, halogen, air suspension, security systems, keyless entry, and engine starters * Compact size, easily fits in the engine compartment Set Contents: * Relays x 2 * Connector wiring x 2