12 x 4 SMD T10 Interior Instrument Panel Gauge Replacement Bulb #194 - Red Package Includes: 12 x T10 wedge bulb Replacement part for socket: 194 168 192 W5W 505 and much more Approximate length of 18mm / 0.71" Low heat generation with a life expectancy of 30,000+ hours Available in many different colors as well