... Product Description Xenon kit, HID xenon kits, xenon lamp, xenon ballast, HID ballast. Function parameter 1)model: H1, H3, H4, H7, ... factory HID ballast AUTO HID KIT:Input voltage range:9-16vAUTO HID KIT:Output power: 35W/55wAUTO HID KIT:Input current: 3.5A ... and it will function correctly.2. Integrated one piece Ballast, simplified wiring which eliminates any unnecessary confusion during install. ...