Application: Manual defrost type refrigerator Description; Sense the temperature with applications and turns the compressor on/off according to the current temperature level. Features; Temp. Range: - 30 - 20 Diff: 6 ~ 11 Small size, light weight and easy manipulation. Operating temperature, length of capillary tube and mounting condition can arbitrarily be set to meet customer’s request. Certification: UL, CSA, SEMKO, CQC