led programming sign display 1.SD-P16-RGB-4x2 2.Control:RS232/USB/WIFI/IR REMOTE 3.LEDs:Cree, Silan 4.1/4 scan Poosled Good Quality led programming sign display Able to show text, message,numbers,date,time... 1)High Brightness, user can change the advertising words whatever you want, easy and convenient in operation, more attactive compared with traditional banner. 2) The LED sign supports many ...