<p>Alla Lighting Brightest T15 912 921 CANBUS LED Back-Up Reverse Light Bulbs, 6000K Xenon White 16W W16W 922 921KX 912KX 2400Lm CSP SMD Replacement for RV, Cars, Trucks, especially designed for replacing auto back-up reverse light.</p> <p><b>Specification</b></p> <p>1) <b>Package</b>: including 2 pieces 921 extremely super bright CANBUS error free white CSP-SMD LED bulb.</p> <p>2) <b>LED Chips</b>: 9 pieces high power, premium quality and high power CSP chips per led bulb. </p> <p>3) <b>Cross Reference Number</b>: 921, 912, W16W, 906, 922, 921K, 921KX, 912K, 912KX, 921LL, etc. </p> <p>4) <b>Application</b>: Back-up reverse light,etc.</p> <p>5) <b>Warranty</b>: "TWO Years" guaranteed on manufacturer quality </p> <p>6) CAN-BUS error free, for most vehicle,s just plug and play, easy installation. </p>