... for high and low beam, with 4 ballasts and installation clamps.QualityAs the good quality of our products, it's almost ... , 9004-1, 9005, 9006, 9007-1, with 2 ballasts andinstallation clamps.HID Hi-lo Beam : H4-2, 9004-2. 9007-2 ... bulb, which works forhigh and low beam, with 4 ballastsandinstallation clamps.HID Color Available:3000k~goldencolor 4300k~yellow white 6000k~shallow ...