Simple quality: timed power on, timed power off, and timed switching. Just plug in and select the heating/cooling system, and it works, no hassle, LCD with accurate display. Measurement range: 50~99 degrees C. Resolution: 0.1 VS 3. Accuracy: 1C (-20~60C). The digital temperature controller can supply all 100-250V, 16A (max.), Connect to cooling and heating systems simultaneously. The heating/cooling differential function can be set separately for cooling and heating for temperature control during large changes. Temperature alarm: when the temperature exceeds the temperature limit or when a sensor error occurs, temperature changes do not always need to be considered. Compressor delay protection for compressor control and temperature can also be calibrated. Wide application: this thermostat allows you to control the room temperature with precision. Greenhouses, aquariums, carbon crystal heaters, aquaculture, incubators, room temperature control, home and other places are widely used.