• 1:1 Beam Pattern: Good led headlight bulbs are not the ones that produce the strongest light. It’s the ones that have led chips to mimic halogen light bulbs filament closely. The scattered light is useless for driving. Fitted with 1:1 beam pattern technology, AUXITO H1 LED bulb concentrate beams that shine further down the road and will not blinding oncoming vehicles with a clear cutoff line.

• High Brightness - AUXITO H1 LED headlight bulb uses customized ZES chips, 12000LM, 52W per set, 300% brighter than halogen headlights.
• 360 Degree Lighting - The LED interval of the bulb is about 0.08in, ultra-thin design. 360-degree illumination and no dark spots.
• 6500K Cool White - Bright white light gives better visibility. No foggy light.
• Perfect Beam Pattern - The shape and size of the LED chips are close to the filament of halogen bulbs to ensure a perfect beam pattern.

How do I use the wires on this h1 bulb, there’s the black wire and red, what is the right way to wire those?

There are installation videos on the product page for your checking.

Question: How do the wires go on the h1 bulb? There’s a small plug and a bigger plug, the red wire goes on the big or the small? And the black wire goes in which?
Answer: The red wire goes on the big one and the black goes in the small one. You will find the red wire and the black wire have different female plugs. Red wire has a bigger female plug, and the black wire has a small one. So big connect big, small to small.

Do you have a link to the wiring adapter that's pictured in the description? My car would require that.

Answer: The wiring adapters are included in the package. There are 2 bulbs and 2 wiring adapters in the box.

Question: What is the length of these?
Answer: The led bulbs are longer than the original bulbs. The whole length of the bulb is 3.35 inches. You can check the space before ordering.