Prosoftek Car,Bike,Truck Automative DC 12V 40A SPST Relay, 4 Pin Interlocking Relay Socket Automotive Electronic Hobby Kit

Superior performance relays : The durable relay and heavy duty relay socket are made by high-grade materials to ensure superior quality. Use Case : Widely used in car keys power control, over-load protection, trunk release, polarity change, power door lock/actuator control, change a low current output to high current, add ignition/accessory outputs, control motors/other electronics. Suitable for automobile used for control, alarms, horn, headlight etc Relays are basically used to control a high current (amps) circuit with a low current (amps) circuit. This relay is rated as 40A at 12V hence it can handle a load upto about 400W. You can connect any lights / gadget under this wattage. Vehicle Compatibility: Universal Best quality and reliability Superb quality insulated wires.