1.D1S Ballast 2.D1S Ballast Slim DC12V 35W 3.HID Slim Ballast D1S 4.HID D1S Slim Ballast Good Quality 5.CE,FCC ... 1.D1S Ballast 2.D1S Ballast Slim DC12V 35W 3.HID Slim Ballast D1S 4.HID D1S Slim Ballast Good Quality 5.CE ... ,FCC,Emark,E13 HID Ballast Specification12v 55w slim ballast;12v 55w normal ballastInput voltage range:9v-16vOutput power ...