These Energy Star and ETL certified Ultra-Slim LED Downlights are the perfect lighting solution for both residential and commercial. The Ultra-Slim canless design allow you to install them in where a recessed can won’t fit, no can housing is needed. The quick wiring connectors are coming with the junction box, making the wiring easier - simple place the cable to the connectors to complete the wiring, no wiring nuts and electrical tap needed for the installation.With the 5 selectable color temperature switch you can choose between 5 options of 2700K warm white, 3000K soft white, 3500K natural white, 4000K cool white, or 5000K daylight to fit your preference during installation easily. High color rendering provide excellent light performance, showing the true colors of objects and surroundings.The RSD410W can be used to comply with Title-24 and JA8 high efficacy light source requirements. You also get all other benefits of LED technology, including longer life to decreased maintenance cost, less heat for better energy saving in summer.