... 64W A3 Front Opening Ultra-slim Aluminum LED Light Display Box,Aluminium LED Picture Frame,Aluminum LED Poster Frame CE, ... 64W A3 Front Opening Ultra-slim Aluminum LED Light Display Box,Aluminium LED Picture Frame,Aluminum LED Poster FrameItem Brand: ... FR-4Range of Application:Supermarket, Bar, Hotel, Exhibition Hall, Advertising Display, Hospital, Bank, Chain Store, Restaurant, Airport, Subway, Dock, ...