Robust channel fix mounting system for fast, secure installation Sleek & stylish white powder coated aluminium case Tab Tensioning system on both left & right hand sides of the Screen surface to ensure a perfectly flat viewing area at all times Black borders on both left & right hand edges Base bar powder coated black to ensure no light reflection during your viewing Video format 4:3 Screens have a 20cm black drop as standard Widescreen 16:9 Screens have a 50cm black drop as standard Matte white material for clean crisp images easy to maintain Wall switch supplied as standard Suitable for wall or ceiling mounting