... FeaturesDisplayLCD displayBack lightBlue color back lightButtonsPower,Cooling/Heating,Fan,Up,Down,TimerCasing colorWhiteWiring way7 waysEnvironment temp-10 ... turn offAutomatically turn off fan coil and valve when reach set temp2-pipe fan coil2-wire motorized valveLow temp ... commercial,industrial and residential environment via controlling fan coil units, motorized fan,heating pump,ect. RENEL RN803-DB ...