(Please CLICK HERE for an International/Overseas/Canada Shipping Quote!(Shipping within the US is 100% FREE) Our yellow diode portion are a Hyper 3K Plasma Diode - this means they DO NOT have any yellow covering that tricks a diode into being yellow. Our Diodes are a new Tech that create this Hyper 3K Plasma Yellow! This creates a sleek stealth look in your housing without any yellow tint. Ditch the yellow film and tacky yellow reflector and switch to a stealthy sleek diode. For cars with auto-headlight features please read: On SOME auto-headlight cars you must shut off your auto headlights when using these Fogs. If you do not they can change colors randomly. This ONLY happens with cars that have the auto-headlight feature. While it does not happen with ALL car models with auto-headlights it can happen with some. Yellow/White Switchback Fog LED ****DO NOT BE FOOLED -- READ THIS**** --> As you know we are often imitated but never duplicated. The quality and reliability are there in our LEDs and why we can offer a True Lifetime Warranty. --> The driver (small box attached to the LED) is the most important aspect of this setup. Without this driver it would be impossible to switch numerous times quickly from yellow/white/flash/strobe. Many that copy it do not get this part right and why many seek our product after trying others. Our product is simply made to work. This driver has to use the highest quality electronics or it will fail. --> We have tested this diode setup over 3 years ago. We did not launch until fully testing this design to make sure it was perfect. We use the highest quality material in our LEDs and electronics to ensure they work and last in your car. --> We use the brightest diodes available that are able to produce that Hyper 3000K Plasma Yellow you expect with a clean white color temp that matches OEM headlights from the factory and our White Low Beam LEDs. --> Many that have tried our product can te