Uxcell 40 Amp 12V DC 5.2mm Di Amp Mount SPST 4 Pin 4 Wire Cable Car Relay Ceramic Socket Product name : car relay; model : Jd1912; coil Voltage : 40A, 12V dc Type : spst; pin Number : 4; external material : metal, plastic, ceramic Color : Black; relay size : 2.8 x 2.8 x 2.5Cm/1.1" x 1.1" x 1" (l*w*t); wire socket size : 3.3 x 2.7 x 2.8Cm/1.3" x 1" x 1.1'" (l*w*t) Mounting hole Diameter : 5.2Mm/0.21"; cable length : 13Cm/5.1" Net weight : 59G; Package Content : 1 x car relay, 1 x relay socket wire