Size:H4 BRYGHT LED Fog Light Bulb H4/9003 Dual Color, 1900LM per bulb, 6000k white 3000k yellow (1 Pair) Specifications: Power: 7W Voltage: 12V-28V Lumen: 1900LM Color Temperature: 6000K White & 3000K Amber Led chip: 3030 Waterproof: IP68 Shell Material: 6063 alumina resistant alloy profile Life Span: 50000 hours Installation: Plug and play About Change Color: The color would be white when you turn the foglamp on for the first time, then turn off and on within 5 seconds, it would switch to yellow. If the switch interval is beyond 5 second, the color will still be white. -If different color on two sides(can't keep the same color at the same time): please keep the power on, remove any bulb and install it again, then check if the bulb keep the same color -If there's only one bulb can't change color: please turn off the power and swap the two bulbs, then turn on the power and check if the light bulb can switch colors. Warm Tip: 1.Please do not use the fog light product as headlight. 2.These bulbs are not error free for some cars, such as some of Dodge, Ford, Chrysler, Jeep, GMC, BMW, Mercedes-Bens etc. Decoder or resistors are required to avoid the flicker or warning. 3.Please feel free to contact us if any questions :)
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