We are offering large led double color scale dispaly. Featureshigh brightness color led scaleconvert quantity via rs485light volume and easily install (wall suspended installation type)double line character color recognition function emoticons warning functiondisplay co2, temperature and humidity valuesapplicationsmonitor environment for industrial process plant idc clean room laboratory agriculturestorage hospital department store office building hotel restaurant library banksinput analog & rs-485outputrs-485(modbus rtu mode)displayco2 green 2.3(5.8cm) led, % red 1.5(3.8cm) leddimension375mm(l) x 200mm(w) x 60mm(d)use withcombination with eyc gth03 co2 temperature & humidity transmitter