HALO Recessed 1419P 4-Inch Trim Pinhole with Black Baffle, White Modular platform accepts a variety of optical elements Elements can be interchanged to create a variety of lighting effects Hot aiming rotates 365-Degree, tilts 35-Degree and locks in position without tools Translating center beam optics provides full light output from 0-35-Degree Plaster lip with direction marks accommodates ceilings 1/2 to 1-Inch thick