Features:Power: 55WSocket Type: H7Voltage (Norm): 9-16V DCService Life: More than 5000 hoursWorking Current (Norm): 4.2AMax Input Current: 6AMax Start Voltage: 23kVColor Temperatures Available: 4300K=4300，5000k=5000，6000k=6000，8000k=8000，10000K=10000，12000K=12000，15000k=15000When you choose color temperature， Please reference to below information，thanks for your understanding!4300k- Warm White5000k- White6000k- Cool White8000k- Light Blue10000k- Blue12000k- Deep Blue15000K- Blue&Purple Note:1. Please Make Sure the socket type fit your car，before you place an order.2. if you want H1，H3，H4，H7，H9，H10，H11，9005，9006，9007，880，881 please leave message!3. One KIT SET= 2 PC bulb + 2 PC ballastPackage Included:2x Xenon Bulb2x Digital Ballast1x Retail Box 1x Product InstructionUse Tips:1. Do not install HID ballasts and Lights near the engine or any place where water can reach.2. Make sure that HID connectors are tight and secured to the stock harness.