Easier quality: timer on, timer off, timer switch; just plug it in and choose heating/cooling system and it works, no rotation, accurate LCD display. Measuring range: 50~99. Resolution: 0.1 VS; 3. Precision: 1C (-20~60C). Digital temperature controller available in all 100-250V, 16A (max),Connected to both cooling and heating systems. The heating/cooling differential function sets cooling and heating separately for temperature control in the event of major changes. Temperature Alarm Alarm: When the temperature exceeds the temperature limit or a sensor error occurs, the temperature change does not always have to be considered. Compressor delay protection for compressor control and temperature can also be calibrated. Equipment: This thermostat allows you to precisely control the room temperature. Widely used in greenhouses, fish tanks, coal crystal heaters, aquaculture, incubators, room temperature control, home and other places.