Мульти-изображение маски проекционный экран Исправлена ​​Рамка

Multi-Mask Image Fixed Frame Screen * With all masking retracted, the screen is4:3 aspect ratio. With motorized masking, you can achieve 16:9, 2.35:1, 1.85:1 formats. * Unique embedded assembling method to keep the fabric completely flat at every point of the frame, efficient to avoid Water wave and V wave * 130mm wide, high quality aluminum tube, frame covered with black velvet to absorb the light and enhance the perceived clarity of image * Seamless edge design ensure dust free * High elastic fabric(0.32mm thickness), RoHS standard, excellent physical characters in ductibility and elastic ability between -15 to 45. * Fabric is UV protective, anti-static, cleanable, Mildew resistant and flame retardant.