Description Dual Relay Output: This temperature controller can be connected to cooling and heating equipment simultaneously, and you can use one controller to set heating/cooling differential function separately; The controller works in temps from -22~167℉, with a control range from -58~248℉ Plug-and-Play: Simply place the probe, plug-in the controller, press the buttons to switch between cooling and heating modes and set the temperature and that’s it; Two indicator lights clearly show which mode you have selected; Hanging tab design makes it easy to mount Crafted Design: The dual LED display supports units in ℃/℉, and clearly shows the measured temperature and set temperature simultaneously; The 6ft-long, highly sensitive waterproof sensor probe ensures the flexibility, precise measurements, and accurate control Dual Relay Outputs: This humidity controller features dual relay outputs, enabling simultaneous connection to both a humidifier and dehumidifier; It controls humidity by setting target values and differential values, and automatically switches between humidification and dehumidification modes, effortlessly maintaining optimal humidity levels Reliable & Safe: This humidistat boasts visual and audible high/low humidity alarms, sensor fault alarm, and compressor delay protection, offering full protection for your projects and appliances; The 16AWG power cord and 20A relay enhance safe operation by reducing overload risks and minimizing heat generation