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Italy - 4 x 3
Brazil - 8 x 5
Poland - 4 x 3

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How to Recognize a Real LED Screen Manufacturer from a Hoax LED Screen Manufacturer or Hoax? Following last week's article, entitled "Are You a LED video walls Manufacturer or a Hoax?" I received several interesting comments...

Lumen

A unit of measurement of the amount of brightness that comes from a light source. The standard lumen rating of a data projector is the average of photometer readings at several points on a full white image on the screen.
Technically, lumens measure "luminous flux." A wax candle generates 13 lumens; a 100 watt bulb generates 1,200. The lumen rating is a critical specification when choosing a data projector. In a darkened room, 500 lumens may be ample; however, in a conference room with normal lighting, 1,000 lumens would be better. In a room with bright daylight, 2,000 lumens is preferred.

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#029 Antonio T. | Italy I'd recommend you because the product is good and it has a post-sale (important) satisfactory.
#024 Barbara P. | Italy I recommend you because you have proven reliable, fair, accurate and timely.
#057 Nikos K. | Cyprus I would recommend you because you are professional.
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