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Peak Lumens 2,600lm @ 25C Kelvin 5500K (pure white) LED Chips Osram Oslon Body Diecast 6061 Aluminum, Finish Electroplated Plug-and-Play Patents Pending Superior Beam Quality The advanced PCB technology at the core of the 2Stroke 3.0 sets a new industry benchmark emission surface interval of just 2mm total. Paired with the 1.03 x 4.33mm light-emitting surface area of the LEDs this adds up to a total cubic volume of 4.46mm. No LED bulb in the world more closely simulates the filament size of an incandescent bulb more accurately than the Morimoto 2Stroke 3.0 and this is critical when it comes to proper beam distribution. Integrated Micro-optic The 2Stroke 3.0 H4 bulb has an innovative low beam shade cup with a built-in micro-optical reflector inside that enables their ability to illuminate reflector surfaces above the bulb, making this patent-pending feature a serious performance advantage over other H4 LED headlight bulbs. 360 degrees of Rotation The 2Stroke 3.0 LED bulbs feature a fully adjustable base. In order to fully utilize the optical facets in any reflector or projector The light emitting diodes must face the 3-o-clock and 9-o-clock positions and the 2Stroke gives you that ability, no matter the application. Thermal management The 2Stroke 3.0 is the first actively cooled LED bulb with a fan that is not susceptible to outside elements. On the intake side, cold air is sucked in past the sidewall of the PCB to exchange heat and is blown out the opposite side of the bulb. This effectively cools the bulb while warming the ambient temperature inside of the housing, increasing resistance to snow/ice buildup on the lens during the winter months. DRL Drive The LED Driver is configured to accept a wide range of input voltage, making them compatible with low voltage daytime running lights commonly found on modern vehicles. When the LED driver detects 6-9V of input The system logic automatically switches to produce just 30% of the standard output.