uxcell&reg; 40A DC 12V 4 Pins SPST Truck Car Alarm Audio Relay JD1912 Product Name : Car Relay;Model : JD1912 Material(External) : Plastic, Metal;Color : Black Rated Current(Max.) : 40A;Rated Voltage : DC 12V Size(Included Metal Tab) : 3 x 2.7 x 5.6cm/1.2" x 1.1" x 2.2" (L*W*H);Weight : 39g Package Content : 1 x Car Relay