Plug N Play installation - No modifications required.Next level LED w/Automotive Grade LED chip for long service life.Low or high beam. 1 set replaces the low beams and the 2nd set replaces the high beams.Direct OEM compatible replacement bulb - Up to 3x brighter than factory halogen.1:1 LED light source replicating the OEM halogen bulb.5000lm - 6000k Pure white light for maximum road visibility. Onboard fan w/thermal management design for optimal heat dissipation. Aviation Grade Aluminum w/Gun Metal finish - Dynamic Cooling System.No electrical interference. INSTANT INTENSITY: Instant On, No Warm Up Time: LED bulbs are INSTANT ON They do not require any warm up time. Compatible with Headlight Modulators. PRO TIP: Always keep your original light bulbs with your bike in the event that your headlights ever go out, you will have the originals handy as a spare. WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.