SATCO NUVO'S S11639 LED Retrofit Downlights with STARFISH technology are the ultimate choice for smart lighting and ambiance control. Download the STARFISH app to customize any tunable white color temperatures from 2000K warm white light to 5000K natural light, or choose from millions of colors on the RGB spectrum, all from your mobile device. Offered with smooth baffle, these trims offer added dimension while reducing glare. These downlights are also compatible with Siri, Alexa, Google Home, and SmartThings so they can be easily incorporated into your smart home.