Features: - The Model C with CSR is a manual wall or ceiling mounted screen with Da-Lite's Controlled Screen Return (CSR). - CSR is a feature offered exclusively by Da-Lite to assist in the quiet controlled return of the screen into the case. - Provides great performance and smooth operation. - Optional floating mounting brackets allow the Model C to be mounted onto wall or ceiling studs and aligned left or right after installation by releasing two sets of screws.