ITEM NAME:DC 12V 40A 4 Terminal SPDT Relay for Car Black E9C8 DC 12V 40A 4 Terminal SPDT Relay for Car Black E9C8 Product Name : Car Relay Contact Type : SPDT Pin Number : 4 Pin;Current : 40A Coil Voltage : 12V DC Total Size(Approx) : 61 x 27 x 23mm / 2.4" x 1" x 0.9" (L*W*H) External Material : Plastic, Metal Main Color : Black Weight : 29g Package Content : 1 x Car Relay 4 Pin, SPDT contact type, 12V DC coil voltage. Relay is used for many car electronic applications to turn on/off almost any device. It is used when a device draws heavy amperage such as car alarms, remote starts, HID headlights, pop doors, trunk releases strobe lights, fog lights, stereos, fans, air horns, and much more. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.