Easier quality: timing open, timing stop and timing switch Just plug it in and select heating or 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 or cooling differential function can be set separately compatible with cooling and heating compatible with 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 compatible with 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. In the title and we have provided details of the product including its features and specifications, please note the size and dimensions of the product to ensure it meets your needs. Warm reminder: Due to lighting effects, monitor brightness, manual measurement, etc., there may be some slight differences in color and size between photos and actual items. Sincerely hope you can understand. During the shopping process, if you have any questions, please feel free to consult us, we will reply to you within 24 hours, I wish you a happy shopping!