... background,etc 2.Rich and changeable 3.CCC. CE, FCC P7.62 led indoor display board led indoor display board Features ... board Parameter:Protection GradeIP45System Operating Humility10% ~ 90% RHOprating Temprature-20°C ~ +60°COptimal Viewing Distance6m ~ 60mDisplay Color1,070,000,000Gray Scale16384Frame ...