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Question:

What is a projection light? What's the use?

What is a projection light? What's the use?

Answer:

he can in the wall, ground projection pattern you want to do advertising, decoration, warning etc.
The projection lamp is a use of light on the screen or wall lamp for projection screen, and movie similar principle;
The projection lamp is a use of light on the screen or wall lamp for projection screen, and movie similar principle; he can in the wall, ground projection pattern you want to do advertising, decoration, warning etc.

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