[ULTRA-HIGH BRIGHTNESS] These H4 LED headlight bulbs are using high-quality chips, stable performance and long lifespan. (last more than 50,000 hes). Its luminous flux reaches up to 14000LM/Bulb, which produces a similar Xenon 6000-6500k white light, IP68 waterproof, suitable for -40℃ ~ +80℃ complicated conditions. [REMOVABLE ALUMINUM ADAPTER] h4 LED headlight bulbs come with a 360° adjustable and removable adapter, any of you can easily install these LED headlights into the reflector/projector headlight. The LED aluminum adapter can be seamlessly rotated for beam adjustment. [HIGH SPEED TURBO FAN] Super powerful cooling fan with much less noise, it provides strong cooling wind to dissipate the heat generated by the superior LED chips and ensure the front LED bulbs work steadily. [SIZE SIMILAR TO HALOGEN] Only 1/20 of the traditional halogen lamp, more energy saving and environmental protection. No ultraviolet and infrared radiation, with shockproof function. [HIGH PERFORMANCE] Small