android windows mac ios taxi roof led advertising screen on China WDMA Sliding Window etc QC 1:1 Pre-assemble in

etc QC 1:1 Pre-assemble in Ballede's factory

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android windows mac ios taxi roof led advertising screen on China WDMA Sliding Window etc QC 1:1 Pre-assemble inandroid windows mac ios taxi roof led advertising screen Product Description Outdoor Car Roof LED Video Screen is a new type of electronic media mobile advertising with elegant and attractive appearance, mainly installed on taxis, cars and other vehicles as a terminal carrier, the purpose is to form a new generation of networked, intelligent, digital outdoor media. Thismedia is an integration of outdoor, electronics, mobile and Wi Fi 3G GPS etc.