The 4 in. Connected Wafer LED Downlight allows you to connect to your Smart Home System via an app or Bluetooth. No additional app needed. Works with Alexa, Google Assistant and SmartThings. with integrated Tunable White technology, you can easily adjust the color temperature via your Smart App. It will also dim down to 10% brightness. This ultra-thin recessed downlight ideal for shallow ceiling plenum applications. Quality, housing-free recessed downlighting is achieved with its narrow remote driver box. The Wafer LED is quick and simple to install from below the ceiling with as little as 3 in. plenum clearance. Color: Matte White. Material: Aluminum.