BN-LINK BNQ-T9 is a digital temperature controller that can be used to control heating and cooling devices. It has a wide temperature range of -58°F to 230°F (-50°C to 110°C) and is accurate to within 0.1 degrees. The BNQ-T9 is easy to use, with a simple interface and clear digital display. It also has a number of features that make it a versatile and powerful controller, including:

• Differential temperature control: The BNQ-T9 allows you to set different temperatures for turning on and off your heating and cooling devices. This gives you precise control over the temperature of your environment.