The Lectric II-C MDF is designed for large in-ceiling projection applications and is available in sizes up to 320"D (4:3). Lectric II-C MDF has a plenum rated housing and interface with low voltage relays, IR , RF and RS-232 controls. A feature of this product is the rigid large diameter roller. The standard 12" black leader set at 6" also has a manual wall switch control included. The Lectric II-C MDF requires hard-wired installation and has custom sizes and additional leader that are available. Also the product has optional in-ceiling trim kit & white or black mica finishes.