This Lamp is Dimmable. This Energizer led GLS is a energy efficient direct replacement for the 60 watts incandescent light bulb. This led lamp uses 9.2 Watts to produce 806 lumens of light emitting 88 lumens per watt. This lamp has an average life span of 15 years and gives out 3000k warm white light. This lamp has a B22 Bayonet cap fitting.