MC4070E is 7Inch 16:9 tft lcd screen wide-temperature support the operation temperature from -20°C to +70°C metal shell resistive HMI panel. With 800x480 resolution, 24bits colors and 360cd/m2 brightness. There are com1 com3 with rs232 rs422, rs485, and 1x10M/100M self-adaption ethernet modbus tcp/ip. If no require ethernet to communicate, so recommend MC4070M. Becuase different parameter and performance with different the cost. Welcome contact us to discuss more.