Easier quality: timing open, timing stop and timing switch; Just plug it in and select heating/cooling system, then it works, no spin, LCD with accurate display. Measuring 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 at the same time. The heating/cooling differential function can be set separately for cooling and heating for temperature control in case of major changes. Temperature alarm alarm: when the temperature exceeds the temperature limit or when a sensor error occurs, temperature changes do not always have to be taken into account. Compressor delay protection for compressor control and temperature can also be calibrated. Wide device: this thermostat allows you to control the room temperature with precision. Greenhouse, fish tank, coal crystal heater, aquaculture, incubator, room temperature control, home and other places are widely used. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.