Elite’s Manual SRM Series projection screens are the perfect, and professional, solution for a business, classroom, and home projection system. The Manual SRM Series provides an outstanding projection surface without overspending. Special features include its auto-locking mechanism for variable height settings, black masking borders, wide diffusion uniformity, a lanyard for convenient operation, and a revolutionary end cap design that accommodates both wall or ceiling installations. The Manual SRM Series also boasts the built-in Slow Retraction Mechanism (SRM). Sizes are available from 84″ up to 120″ with your choice of overhead projector (1:1) or commercial PC (4:3) aspect ratios.