TCP LED18A21DOD50K A21 LED Bulb, E26 18W (100W Equiv.) 82 CRI - Dimmable - 5000K - 1675 Lm. 80% more efficient than halogen alternatives Smooth, uniform dimming Incandescent replacement Long life of 25,000 hours Very low heat generation Shatter resistant ANSI construction compliant Fits all A21 installations Replaces 100W incandescents Omni-directional lamp Excellent color consistency and high color rendering (CRI) Suitable for enclosed fixtures UL approved for damp location