ApplicationRefrigerator, Freezer, Showcase, Vending machine, Hot Water heater DescriptionProvides precise temperature control by regulating the power source of compressor. FeaturesTemp. Range: - 30 - 20 Diff 2 - 10 Small size, light weight and easy manipulation. Operating temperature, length of capillary tube and mounting condition can arbitrarily be set to meet customers request. CertificationUL, CSA, SEMKO, CQC