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F, HD fiberglass white screen: Gain 1.2, viewing angle> 160 degree, high brightness, color reproduction is good, clear image, can support 108OP projection imaging field of view angle, soft light, long watching fatigue, The screen is of uniform thickness, light weight, high screen surface flatness, not the air temperature and curling, a special treatment process, the physical parameters of stability, the most advanced screen surface quality beyond existing white plastic screen surface. Recommend with HD projector. It can be scrubbed. G, HD fiberglass gray screen: Gain 0.9, viewing angle> 160 degrees, with high contrast, color reproduction is good, clear image, can support 108OP projection imaging field of view angle, soft light, long watching fatigue, The screen is of uniform thickness, light weight, high screen surface flatness, not the air temperature and curling, a special treatment process, the physical parameters of stability, the most advanced screen surface quality beyond the current gray plastic screen surface. Recommend with HD projector. Washable