D1S HID Bulbs by Diode Dynamics®. Socket: D1S. Quantity: 2 Pieces. Lumens: 3200 lm. Voltage: 9-16V. Operational Temperature: -40C to 85C (-40F to 185F). Connector Type: OEM Size Plug and Play. OEM Replacement. If your vehicle is equipped with HID, these are a perfect direct replacement. Since HID bulbs lose brightness after just a few months of use, these will provide a nice increase in output. You can also improve your vehicle’s styling with a cooler color temperature. Quality. There are all kinds of HID bulbs on the market, but these are the best combination of quality, without a high price tag. Manufactured in a fully automated environment by CNLight, they are known as HB series, with high output, and DOT/SAE and ECE compliance in arc position and size. Using German quartz and American salts, no expense is spared in their construction. This leads to long, reliable life, and excellent color.