Experience after purchaseexcellent product fasthiding and strong light satisfactory i have used 55 watts 6000 kelvin looking for an hid that you dont have to constantly screw with to get both of them working and is good quality and bright without costing a ton of money i tried just about everything with aftermarket head lights hids and leds these will out do the brightest led u can get ur hands on and they dont do that annoying one goes out u have to flick the head lights bull crap they always work good quality u can feel in your hands worth the money 10 stars customer service was the best