Reddit reviews SOCAL-LED LIGHTING H4 9003 Switchback Hi/Lo Headlight Bulb Conversion Kit Super Bright 40W CSP 3-Color-IN-1, 3K Yellow, 4K OEM, 6K White, Pack of 2
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Tri-Color High Power Flip Chip Super Bright LED Bulbs which can replace HID Xenon and traditional Halogen Lamp.Cool White, Warm White, Golden Yellow 3-In-1 LED bulb conversion Kit with pefect beam pattern car inspection standard; minimim glare for incoming traffic.Smart Efficient Cooling System, Built-In Cooling Fan and Space Turbo Cooling Technology, made with high quality aluminum alloy body.Easy direct plug and play installation for most vehicles; yet for some American/European or newer vehicles built in CAN-BUS system, it may require the load resistor or decoder to avoid the error code or blinking issues.Cross Reference Number: HB2, 9003, H4; used for replacing the stock headlight or fog light lamps, please DOUBLE CHECK with owner's Manual
Once mine burn out I'm getting a set that has three colors. They turn on blue-white, then yellow, then soft white. Gives me options for backroads, fog/rain and city driving.