uxcell Vehicles Auto Car Alarm Relay SPST 4 Pin 40A DC 12V 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 4cm/1.2" x 1.1" x 1.5" (L*W*H);Weight : 37g Package Content : 1 x Car Relay