... JINGCHUANG ELECTRONICS CO., LTD -- Elitech All-purpose Temperature Controller STC-100A:Product Overview:Suitable for all kinds ... , heating output mode optional2. Return difference to control temperature3. Temperature upper and lower limits setting, in order to ... Compressor delay protection. Main Function:Refrigeration,heating,1NTC,Temperature CalibrationParameter:1. Power supply: 220VAC+10%/-15%, 50 ...