LE&reg; 12W Dimmable 4-Inch LED Retrofit Recessed Lighting, 60W Incandescent (25W Fluorescent) Bulbs Equivalent, E26 Base, 750lm, Daylight White, 6000K, Recessed Ceiling Lights, Recessed Lights, LED 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 25W Fluorescent bulbs by 12W LED. Save over 50% on electricity bill of lighting. High CRI. CRI is over 80. More vivid and natural lighting. Cutout diameter is 4.33in. Outer diameter is 5.47in. Height is 2.36in. Easy Installation. Can be easily fitted instead of 4.33 inch recessed light fixture. No additional accessories are required.