Настенные Руководство Проекционный экран Стекло бисера

ManualScreen: 1) Attractive and practical spring-roller screen 2) Metal case with dove white color, simple slim-line design 3) Durable construction with matching sturdy end caps 4) Easy assemble method, suitable for both wall and ceiling hung 5) Black masking border to assure best video image 6) Unique self-locking system to assure reliable locking, quite smooth operation 7) Patented design eliminates friction between viewing surface and metal parts 8) Inner aluminum axle to assure no deform surface after longtime use 9) The manual screens are ideal for applications in rooms where an electrical connection is either not possible or undesirable. Manual screens are extremely suitable for applications in classrooms, training rooms, meeting rooms as well as at home.