Da-Lite offers the world's widest selection of electric screens for the ultimate in convenience and professional presentations. Whether you choose concealed-in-the-ceiling, wall, ceiling hung, or ascending floor model, you'll find Da-Lite's electric screens meet the demanding needs of business meeting rooms, educational institutions, hospitality and home theater applications. All Da-Lite electric screens offer as standard features: black borders and preset adjustable limit switches to automatically stop the screen at the desired viewing level.The Da-Lite Model C matte white HDTV Screen is ideal for large-size conference or training rooms. Permanently lubricated steel ball bearing combined with nylon bushings and heavy-duty spring assembly offers smooth operation even in demanding applications.