Safe Beam - Adopt the same halogen emitting position design. Perfectly match the beam pattern of halogens’ 9003 h4 HB2 bulb. Ensure optimal light shape and focused light on the road. No glare
500% Brightness Improved - No exaggerated brightness like others which claimed 900% 800%. AUTOONE H4 HB2 LED light bulbs are equipped with superior ZES chips(Lights won't dim over time) And it provides excellent 360° illumination and 18,000 LM output with no dark spots or shadow light
Plug and Play Installation - No external driver and wires. Sized to perfectly fit your original 9003 bulbs' housing without any modifications. Practical and attractive after installation
No More Frequent Replacement -High speed silent cooling fan, whole aviation aluminum lamp body and unique hollow heat dissipation design helps to dissipate the heat generated from the L E D chips rapidly and effectively. It ensures the h4 bulbs work steadily and continuously up to 50,000 hours
99% Compatibility - The built-in driver of 9003 fog lights adopt upgraded technology, not only has a more intelligent temperature control system but also applies to 99% of vehicle without error, flickering or radio interference. NOTE: For few models, computer system may be sensitive and will display an error message or flicker for any aftermarket bulbs. We will send the decoder directly if you need