Specification: Product name: Microcomputer digital thermostat. Temperature measurement range: -50~110 degree. Temperature control range: -50~110 degree. Temperature measurement accuracy: 0.1 degree. Measuring probe: 10K/3435. Output type: relay output. Output current: maximum 10A. Input power: 12V , 24V, 110-220V. Output power: 120W, 240W, 1500W. Screen color: red, blue, green (optional). Embedded opening: 50*80mm. Installation hole distance: 96mm. Appearance size: 110*60*30.5mm. Heating mode: For example, control the heating of the radiator to 60??C to stop, and 50 degrees after stopping. How should I start again? According to demand, it should be heating mode, and the temperature difference is 10 degree. Should be set as follows: 1. Long press SET to display P0 and set the working mode to H 2. Set P1 return difference to 10 3. When the temperature is displayed normally, press the SET temperature flashing once to directly set the stop temperature value to 60. Cooling mode: For example, how to control the refrigeration to stop at -5??C, and then how to set the refrigeration again after stopping? It should be in cooling mode according to needs, and the temperature difference is 5 degree. It should be set as follows: 1. Long press SET to display P0 and set the working mode. 2. Set the P1 return difference to 5. 3. When the temperature is displayed normally, press the SET temperature flashing once to directly set the stop temperature value to -5 degree. Package included: 1 x Digital Temperature Controller