genuine Phillips D2S 85122 WX 6k bulbs. had them in my retro projectors, but it i wanted something a lil more blueish tint to it. these bulbs are white white that resembles OEM factory bulbs for high end cars such as lexus, BMW, Acura, Mercedes, Audi etc.theyve been in truck for about 2-3 weeks. But used them no more that hour half max. I only drive the rruck on the weekends ans hardly at night. they are like new!! they were $150 brand new. $115 shipped.