Be to control temperature and humidity at the same time.Be to connect with humidifier and dehumidifier equipment at the same time.Be 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 to display measured temperature/humidity and set temp/humidity at the same time Model: XK-W1099Input voltage: 110~220VMeasuring temperature range: 0C~+80CMeasuring humidity range: 1%RH~+99%RHAccuracy: 1, 0.1%RHRelay output contact capacity: 10A Direct OutputShell material: PC + ABS fireproofSensor length: 1mSet startup temperature( hunidity): the "up" button once to display the starting temperature(humidity). Long the "up" button for about 3 seconds,The required temperature(humidity) can be set by the up and down keysSet the stop temperature( hunidity): the "down"button once to display the stop temperature(humidity). Long 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 keystemperature ( hunidity) correction: "up" and "down button at the same time.How to reset the product: "down 1" and "down 2" for 3 seconds.colour:gray whiteMaterial:ABSsize:8x6x3cm Package Contents:1 x Temperature Controller Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.