Elitescreens Manual Ceiling/Wall Mount Manual Pull Down Projection Screen (71 1:1 AR) (MaxWhite) M71XWS1 Screen Size: No Screen Feature: Dual wall and ceiling - perfect for home / business Designed for wall or ceiling installation Advance auto locking system - easy lock to all position Available in Black or White case color Black back screen material - block rear light through 1:1 Aspect Ratio; Diagonal Size: 71; View Size: 50Hx50W; Overall Size: 60.4Hx56.4W MaxWhite 1.1 gain screen material with standard black backing to eliminate light penetration. 4 side black borders enhance picture contrast and absorb light overshoot Weight: 15