Temperature Control Mode:RN20 Adsjustable temp:-20C~49C Spec. FeaturesDisplayLED digitron displayButtonsUp,Down,Mode,SetCasing colorGrayWiring way7 ways, can be designed to be 5 waysVoltage110V/220VCurrent5APower1000WWorking temp-20°C to 70°CStorage temp-30°C to 85°COuter size77×70mm×28mmInstalling-hole size71mm×29mmFunctionsLowest adjustable temp-20°C (Factory setting at -20°C)Highest adjustable ...