... 3.Easy to operate,maintain P7.62 led display control card Detailed description technique : 1. LED screen ... 16dots.2.Red color,Asynchronous Controller system. This control card have memory function,For example,when you ... . 3.This led screen price include the control card,led moduels(led moduels size is 488mm ... *122mm,total 2PCS),aluminium frame,CD,installed rack,power line,sign line.4.Packing ways,We ...