... RoHS,UL,ISO 2Vivid and soft display color 3Very good uniformity 4Better after service P10 LED Display Board 1,SpecificationModule:P10 SMD 3 ... contrast of red, green and blue can be adjusted by software,100 scales are available, color temperature is adjustableInput signalRF,S ... years warranty for free, and lifetime maintenance, and offer free software upgrade service.7) Free train after order, and offer ...