Feature●Product name : car relay; contact Type : 1no(spst); rated current : 40A●Rated Voltage : 12Vdc; pin Number : 4 pin●Total size(approx.) : 2.7 x 2.4 x 6.3Cm/1.1" x 0.93 inch x 2.5 inch (l*w*h); mounting hole size : 6.5Mm/0.25"●External material : plastic, metal; main color : Black●Weight : 122G; Package Content : 5 x car relaysDescription Features: 15Mm Hole rail size, 4 pin, 1No contact type, 40a rated current, 12Vdc rated voltage. Widely used range of automotive car relay for various electrical circuits used within the motor industry, from intermittent windshield wipers to cruise controllers, flashers, fog lamps, stereo equipment and air-conditioning units. ;.