alla lighting 3157 led bulbs super bright 3156 3056 3157kx 4157 3457 4157nak 3757 t25 wedge led turn signal blinker lights, amber yellow alla lighting <p> this listing features one pair (2 pieces) super extremely bright 3156/ 3157 2835 39-smd high power led bulbs, especially designed for replacing auto turn signal lights, back up reverse lights, brake lights,tail lights, blinker lights or side marker lights,etc.</p> <p><b>specification</b></p> <p>1) <b>package</b>: including 2 pieces extremely bright 3156/3157 led lights bulbs.</p> <p>2) <b>led chips</b>: 39 pieces high power & high quality 2835 chips per 3157 led bulb. </p> <p>3)<b> cross reference number</b>: 3047, 3047ll, 3047k, 3057a, 3057all, 3057, 3057st, 3057k, 3057kx, 3057x, 3057klcp, 3057ll, 3155, 3155ll, 3157a,3157ak,3157,3157k,3157x, 3157ll, 3157st, 3157kx, 3157na, 3157nall, 3157nak, 3357a, 3357all, 3357, 3357ll, 3357k, 3454na, 3457a, 3457all, 3457ak, 3457, 3457k, 3457na, 3457nak, 3757a, 3757ak, 3757all, 4057, 4057ll, 4057k, 4114, 4114ll, 4114k, 4157, 4157ll, 4157k, 4157na, 4157nak, 5702a, 5702ak, 5702ak, </p> <p>4) <b>application</b>: turn signal lights, brake lights, tail lights, side marker lights, blinker light, corner light, etc.</p> <p>5) <b>warranty</b>: "one year" guaranteed on manufacturer quality </p> <p>6) <b>please note</b>: due to led bulbs draw much less current than stock lamp, your car may require load resistor to avoid hyper flash or malfunction. </p>.<p>7<b>optional colors: </b>: 6000k xenon white / amber yellow / pure red. </p>