Wholesale price 21.5 inch bus advertising screen have SD USB slot(SL-032X)

Wholesale price 21.5 inch bus advertising screen have SD USB slot(SL-032X)

Wholesale price 21.5 inch bus advertising screen have SD USB slot(SL-032X)


Roof mounting 21.5 inch 1920*1080 HD full view angle bus advertising displayer have SD USB slot. White, Black, Silver color option. We are proffessional supplier of advertising screen, bus advertising monitor option size from 17 inch, 19 inch, 21.5 inch, 22 inch.