... .Real factory, high quality 2.HID No.1 in alibaba website and inChina market Specificationshid ballast,hid lamp ... With magnetic control unit inside, making bulb tube move in and out to creat high and low beam2) UV ... lifetime: >3, 200hrs6) 12V, 24V, 35W, 55W available7) Luminous flux: 3, 200LM, 3 times more than halogen lampsHID Ballast ... 10 years HID factory ,35W and 55W HID in market ,HID kit--$11.00