LeeSti Adjustable Trim is a recessed linear lighting fixture in 1', 2' and 4' lengths. 3000 K and 2700 K temperature available.Wall Washer or downlight adjustable. A diffusing film in the lens generates a continuous and even line of light. Dimmable or non dimmable with 0-10v dimmers with 4 wires to connect to control systems or Triac versions with 2 wires that can be used with standard dimmers. Drivers for 1- are integral to the fixture, all other lengths are remote The system is installed without tools, the lighting module is pushed up to install, pushed down to uninstall.