Feature: Be able to control temperature and humidity at the same time. Be able to connect with humidifier and dehumidifier equipment at the same time. Be able to connect with refrigeration/ heating and humidifier/dehumidifier equipment at the same time. Heating/Cooling function could be set separately for refrigeration and heating to protect temperature controller from violent change. Same as humidity Control. Supporting Temp and Humidity Calibration [Dual Display Window] Be able to display measured temperature/humidity and set temp/humidity at the same time Specification: Model: XK-W1099 Input voltage: AC110~220V 10% , DC24V, DC12V Measuring temperature range: 0C+100 C Measuring humidity range: 00%RH+100%RH Accuracy: 1, 0.1%RH Relay output contact capacity: 10A Direct Output Shell material: PC + ABS fireproof Sensor length: 1m ------------- Set startup temperature ( hunidity) : Pre the "up" button once to display the starting temperature( humidity ). Long pre the "up" button for about 3 seconds,The required temperature( humidity ) can be set by the up and down keys Set the stop temperature ( hunidity) : Pre the "down "button once to display the stop temperature( humidity ). Long pre the button for about 3 seconds and the stop temperature( humidity ) number flashes. The required temperature( humidity ) can be set by the up and down keys temperature ( hunidity) correction : Pre "up" and "down button at the same time. How to reset the product : Pre "down 1" and "down 2" for 3 seconds. Package includes: 1 X Temperature Humidity Controller