Product updated on 2020-09-17, SBx Parts - SBX:LED:1157WRF100, Prewired 1157 resistor harness, simulates regular bulb installation. Each, Fixes flashing and bulb out indicator problems, sold as singles, Installing a set of 12 volt LED bulbs will provide you with more visibility, lower power useage and longer life. All of our 12 volt LED bulbs come with one year warranty and are sold as pairs unless noted differently. Your car or truck will be more visible and safer on the road ,