Uxcell 40 Amp 24V DC Vehicle Car Stereo Alarm Relay with Socket Harness 4 Wires Product name : car relay; model : Jd2912; coil Voltage : 40A, 24V dc Type : spst; pin Number : 4; mounting Type : 15Mm rail Type External material : metal, plastic; color : Black, white, Yellow, Green, Blue; relay size : 2.6 x 2.6 x 2.8Cm/1" x1.1" x 1.1 inch (l*w*t) Wire socket size : 2.3 x 2.7 x 2.5Cm/0.9" x 1.1" x 1'" (l*w*t); cable length : 12Cm/4.7" Net weight : 56G; Package Content : 1 x car relay, 1 x relay socket wire, installation part