SGL 20-pack 13watt 6 inch Dimmable LED Recessed Lighting Kit High brightness 100w Equivalent 4000K Neutral White 1080lm ENERGY STAR UL-listed Led Retrofit Fixture Equivalent Downlight Ceiling Lamps 120V Listed in cUL/UL [E467028], Aluminum Alloy Body with Built-in Trim Ring, high safety is no doubtly assured Energy star approved, Energy Efficient - 100 Watt equivalent for 13 Watts, Save up to 87% on your electricity bill ! Dimmable. Works with most of dimmers but to ensure flicker free dimming, please use with silicon-controlled rectifier type dimmer With a medium (E26) base, it can be easily installed without using any tools. Please refer to the picture of the installation process 5-year warranty, if you have any problems of product quality, Pls get in touch with us, we will properly solve for you.