Temperature control is a process in which change of temperature of a space (and objects collectively there within), or of a substance, is measured or otherwise detected, and the passage of heat energy into or out of the space or substance is adjusted to achieve the desired temperature. Main Features: Temperature measuring and controlling Cooling and heating Compressor time delay Temperature calibration Specification: Mounting size : 71(L)X 29(W)mm Product size : 83.5(L)X 40.5(W)X 63(D)mm Technical Parameters: Power supply: 220VAC-240VAC,50Hz~60Hz Relay output capacity: Compressor 10A/220VAC; Rated resistant loading 8A Temperature measuring range: -50 °C ~ +70 °C Resolution: 1 °C Accuracy:±1 °C ±0.5 digit Operating temperature: -10 °C ~ + 60 °C Package Includes: 1 x CTE-102 Digital Temperature Controller