[Ultra High Brightness] These H4 LED headlight bulbs are made of high quality chips, with stable performance and long service life (over 50,000 hours). Their luminous flux reaches 14,000 lm/bulb and produces xenon-like white light of 6000-6500K. IP68 is waterproof and for harsh conditions from 40°F to 80°F detachable aluminum] The H4 LED headlight bulb is equipped with a 360° adjustable and detachable adapter, so any of these LED headlights can be easily attached to the headlight reflector / headlamp. LED aluminum adapter rotates seamlessly to match the beam [High Speed Turbine Fan] Super powerful cooling fan has much less noise. It provides powerful cooling air to dissipate the heat generated by the upper LED chip and ensure the stable operation of the front LED lamp [Halogen size] is only 1/20 of the traditional halogen lamp, which is more energy saving and is more environmental friendly. No ultraviolet and infrared radiation, shockproof [High performance] Small external control