1、MAIN PURPOSE: The switch can control both temperature and humidity, so both humidifier and dehumidifier devices can be connected at the same time. 2、CALIBRATION FUNCTION: Support temperature and humidity calibration, and connect cooling and heating device, humidification and dehumidification device at the same time. 3、SEPARATE SETTING: The controller supports separate setting modes to prevent drastic changes in the temperature controller, and the operation is safe and reliable. 4、GOOD PERFORMANCE: Double digital display window, direct output, convenient observation, wide temperature measurement range and high accuracy. 5、WITH SENSOR: The thermostat switch is equipped with NTC 10K temperature sensor, with a length of 1 meter, which is efficient, sensitive and practical.