... .Customize accept True color high light HMI,10.4 inch,modbus supportOur product: Mainboard: RISC CPU 400MHZ,32M FLASH, 64SDRAMDisplay: ... , COM2:RS232/RS485, COM3:RS232/RS485(optional)Electrical SpecificationsRated Power<5WRated VoltageDC24VVoltage Range12~28VDCPower Interval Allowed<5msInsulation Resistance>20MΩ 500VDCWithstand ... FCC PASS True Color & High Light & Fashion WECON HMI,modbus support