As the development of video technology, widely used in various occasions projector. Users buy a projector, the projector is placed into a new problem, projector hanger so produced. Projector lifting through projection hanger, hanger projector in fixed, in adjusting the distance and the angle of projection, the next use without correction, when the projector is not in use, by projection hanger telescopic will be placed in the ceiling projector, the projector may also play a very good protection effect of.

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