LE 18W Dimmable 6-Inch LED Retrofit Recessed Lighting, 100W Incandescent (36W Fluorescent) Bulbs Equivalent, E26 Base, 1100lm, Warm White, 3000K, Recessed Ceiling Lights, Recessed Lights, Downlight Dimmable. Works with most of dimmers but to ensure flicker free dimming, please use with silicon-controlled rectifier(SRC) type dimmer Save electricity bill. Replace 100W Incandescent bulbs by 18W LED. Save over 80% on electricity bill of lighting. High CRI. CRI is over 80. More vivid and natural lighting. Cutout diameter is 6.30in. Outer diameter is 7.40in. Height is 2.36in. Easy Installation. Can be easily fitted to replace regular 6 inch recessed light fixture. No additional accessories are required.