Rigid loop LED festoon. 12 Volt D.C. 6 watts, up to 450 lumen output, comparable to a 30 to 50 watt incandescent bulb. Great for classic cars such as 1971-73 ford mustang mach 1. Uses 2 CREE X2 3 watt led's. Once installed this light does very well to light up the dome light, interior, dashboard and door lights that use the rigid loop festoon. CRI>80, long life up to 30,000 hours. The color is 6000 Kelvin.