3-1/9" diameter globe bulb. TruDim technology provides a dimming curve that closely matches the human eye response of incandescent lighting. Circuitry design controls low dim level starting capability and provides stable linear dimming from 100\% to 2\%. Features zero low end flicker, faster run-up time, and unique NanoTi pre-phosphor coating which improveslumen maintenance over the life of the bulb. Applications include: table lamps, wall sconces, recessed cans, chandeliers, and ceiling fixtures. 2 hour burn-in time at full power recommended. UL (Underwriter's Laboratories) approved for wetlocation in base up position. Compatible with photo eye controls that are rated for CFL (compact fluorescent) and LED (light emitting diode) bulbs.