That is impossible to think that 2 PSY in the same arena to sing and dancing <>. May of 18 ,2015 DET mak..
DET independent research and development of laser projector, laser light source life of up to 20,000 hours, brightness covers 2800-20000 lumens, ultra-high contrast 15000: 1-100000: 1, light source maintenance, low energy consumption, with DLP technology
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