... -delivery *CE, E-MATK, YUV, ISO9001 *super bright *HID Xenon Lamp H7 HID Light Lamp H71. Power: 35w or 50w 2. Voltage: 12V ... is less than 9V, ballast will stop working to avoid HID bulb exhausting electric energy9. Over-voltage protection: when voltage of ... ,6000k,7000K, 8000k,10000k,12000k.14. HID Ballast: Use Application Specific Integrated Circuit Hot Sale HID Xenon Lamp H7 With Metal Base