<p> This listing features one pair (2 pieces) super bright T15/912 921 LED bulbs white 4014 SMD backup reverse light bulbs, it is especially designed for replacing most cars' 921 back up reverse light or tail light. </p> <p><b>Specifications</b></p> <p>1) <b>Package</b>: including 2 pieces extremely bright 921/912 high power 4014 30- SMD SMD 921 6000K xenon white led bulbs</p> <p>2) <b>LED Chips</b>: 30 pieces high power 4014 chips per 921 led bulb. </p> <p>3)<b> Fitment</b>: 906 579 901 904 908 909 912 914 915 916 917 918 920 921 922 923 926 927 928 939,T15,etc </p> <p>4) <b>Warranty</b>: “One Year”guaranteed on manufacturer quality, built-in IC driver. </p><p>5)<B>Please Note:</b>For most vehicles just directly plug and play, easy installation, yet for some vehicles, load resistors maybe required to avoid the error code or blinking. </p>