da-lite advantage electrol - projection screen motorized - 1 1 - high contrast matte white
92602 size 50 x 50 features - designed to have the case installed during the rough-in stages of construction and the fabric assembly during the finish stage..-patented in-the-roller motor mounting system for quiet operation..-handsome finished white aluminum case provides a clean look and allows easy installation of ceiling tiles..-standard with a decora style three position wall switch..-for easy installation the advantage is available with scb-100 and scb-200 rs-232 serial control board low voltage control unit silent motor or silent motor with low voltage control built into the case..-ul plenum rated case..-contains a 2 wide slot on the bottom of the case that the screen drops out of . . screen material high contrast matte white designed for moderate output dlp and lcd projectors . this screen surface is a great choice when video images are the main source of information being projected and where ambient light is moderately controlled . with its specially designed gray base material and reflective top surface this screen material is able to provide very good black levels without sacrificing the white level output . flame retardant and mildew resistant . viewing angle 50 gain 1.1