The  Fyrite® InTech™Plus provides enhanced features for easier testing. There are on-board apps for locating the stack hotspot for optimal measurement, providing easy graphing and monitoring of trends for CO, temperature or other parameters.  The color display is useful for viewing graphic representations of ranges and setpoints during setup and adjustment, making it easier to monitor the effects of  changes or fine-tuning. The unit comes with probe assembly, batteries and a hard carrying case. The long life O2 sensor has a three year life expectancy.