1、ACCURATE CALIBRATION: Digital temperature humidity controller support temperature and humidity calibration, realize more accurate control 2、SIMULTANEOUS CONTROL: Temperature and humidity can be controlled simultaneously. Support simultaneous connection of humidifier and dehumidifier devices 3、SUPPORT HEATING COOLING: The heating cooling function can be set separately for cooling and heating to prevent drastic changes in the temperature controller. same as humidity control 4、DUAL DISPLAY WINDOW: The controller can display measured temperature and humidity, set temperature and humidity at the same time 5、FIREPROOF SHELL: Made of good quality PC and ABS shell material, fireproof, more safe and reliable, you can use with confidence