<p><b>ALLA Lighting H8 H9 H11 LED Switchback Fog Lights, Forward Lighting, DRL, Dual Color 6000K White/3200K Yellow 12V H16 H8LL H11LL H965W, Extremely Super Bright 8000 Lumens</b></p><p>Alla Lighting pursues to offer the best valuable guaranteed H8 H9 H11 LED switchback bulbs for the customers, this led Beam adopts the original reflection light output with authentic CSP chips, aluminum material & cooper heat sink for much better heat dissipation to achieve longer lifespan & much further lighting distance.</p><p>Here is CSP H11 LED Beam Bulbs' specification</p><p><b>Authentic high power CSP chips</b>:6 pieces high quality and high illumination of CSP chips.</p><p><b>Fantastic heat sink design</b>: The whole aluminum material & cooper heat sink part makes the bulb much better heat dissipation to achieve much longer lifespan up to 30,000h.</p><p><b>High illumination light</b>: Each bulb light output will be up to the maximum 4000 lumens in perfect condition (usually about 3500 lumens per bulb),total 8000 lumens for both H11 LED Beam bulbs. </p><p><b>Easy installation</b>: For most vehicles, just <b>Plug-N-Play</b>, car installation manual included.yet for some European vehicles or newest version, your vehicles may require to install the load resistor or decoder to avoid the error coder or blinking-off issues. This happens due to led bulbs draw much less current than stock lamp.</p><p><b>True 6000K Cool White & 3000K Amber Yellow Lighting</b>: Crystal clear daytime white lighting. Plus “Instant-On” capability with zero warm-up time.</p>