【Optimal Thermal Design】Equipped with copper circuit board and intelligent temperature control system. Our h11 led headlight bulb can light up normally even if the cooling fan is broken. When the fan fails, the internal intelligent temperature control system will reduce the power to about 20W which ensure the normal use of the headlight bulbs.

【Safe Beam Designed】Upgrade your halogen headlight and h11 headlight to the latest-generation.Provides more down road lights to increase in light density and light distance without the glare scattering Light and spotty dark spots; increasing the brightness of your headlights and improve visibility on the road so you can see farther, see better and drive safer.

【Superior Quality】led headlights h11 has a whole zinc alloy body.Unique hollow heat sink design and external cooling fan provide super heat dissipation.IP68 waterproof design allows it to be used in all kinds of weather.These ensure a lifespan of up to 50,000 hours for the led conversion kit.

【Plug-and-Play】Perfect geometrical fit, replacement for halogen fog light bulbs - H11 H11LL H8 H8LL H16 Type 2( Note: For fog or DRL use only. Not for headlights and high/low beam DRL applications). Directly plug and play for most vehicles, easy installation.Yet for some vehicles built in CAN-BUS system, it may require the load resistor or decoder to avoid the error code or blinking issues.

【Quality Service】MAYELLO devoted to providing reliable & high quality h11 led bulb. Customer satisfaction and service quality are the basic criteria of MAYELLO. If you have any problem, please trust us and contact us. We will give you a reply within 12 hours to provide a solution. Let you have no worries.