1X 12V 12Volt 40A Auto Automotive Relay Socket 40 Amp Relay & Wires Relays and sockets are used for many car electronic applications to turn on/off almost any device. They are also used when a device draws heavy amperage such as car alarms, remote starts, fog lights, stereos, fans, HID headlights, pop doors, air horns, and much more. Specifications Rated voltage: DC12 Rated current: 40A Pick-Up Current: 12 Currents property: DC Relay harness length: approx. 12cm Features 1 relays and 1 sockets 12 Volt 40 amp 4-prong relays Metal mounting tab that can be removed 4-Wire interlocking sockets Package included 1X Relay 1X Relay Socket