... Aluminum LED Advertising Light Box,Aluminium LED Snap Frame,Aluminum LED Light Frame CE,RoHS Item Name: 2.4W A4 Front Opening Ultra-slim Aluminum LED Advertising Light Box,Aluminium LED Snap ... .6mm)FR-4Range of Application:Supermarket, Bar, Hotel, Exhibition Hall, Advertising Display, Hospital, Bank, Chain Store, Restaurant, Airport, Subway, Dock, Elevator, Hotel ...