Factory Full Color Indoor Fixed Advertising 4k Hd Led Video Wall

1 High quality & stable cabinet · Die-casting aluminum cabinet material. · Easy for assembling. · Anti-rust for longer usage 2 High-precision CNC machining · High accuracy, best flatness with good video effect 3 Seamless assembling · Specific gap design is controlled to be within 0.03mm 4 Super viewing effect · High refresh rate, high grey scale · Adjustable brightness