Features:Large LCD Digital Display: display temperature and humidity value simultaneously, convenient for real-time monitoring and controlling.Professional Temperature Humidity Controller: it can be connected to any heating pad or other heating or cooling equipment to provide up to 3000W of heating power.Easy to Operate: plug in the power and turn it on, then connect the temperature and humidity electrodes respectively, and you can measure the temperature and humidity in real time.Upper and Lower Limit Control: it can realize dual independent control of Temp and Humidity value, and achieve upper limit control, lower limit control or no control.Mobile Phone Real Time Monitoring: after download and paired(ONLY support Android Phone), you are able to check the data status of the controller in different places through mobile phone, and observe the change of water quality in real time.Wide Applications: suitable for storage, pets, cultivation and other temperature and humidity control occasions, such as heating or cooling the greenhouse, monitoring aquarium water temperature, temperature control of breeding soil, etc.