ANSDEN FAW-SH502 Temperature And Humidity Controller, rectangular Panel structure is easy to install in electromechanical equipment as a constant temperature humidifier, and through the Backlight Touch Screen button to set the temperature or humidity control threshold. Equipped with a USB interface, used to output control signals and connect to an external 5VDC power supply, used in Industrial Drying Ovens, Wine Cabinets and other constant temperature and humidity devices. Shipping cost calculated at checkout.