шугаман хөдөлгөөнтэй чичиргээт дэлгэц
Санко Маркетинг. Ultra Short Throw Projector The W320UST is perfect for businesses schools and colleges It is bright 4 000 lumens and a throw ratio of 0 27 1 means that it can project a 100 image from less than 24 inches away And having the projector installed so close to the screen avoids any shadows being cast across the screen from the presenter s