The INCA-100H is a LonMark Certified air quality sensor which detects carbon dioxide (CO2), temperature and humidity. The self-calibrated non disperse infrared sensor (>15 years) makes a long life device suitable for home, industrial HVAC applications. LonMark Functional Profiles: #0000 (Node Object), #1040 (HVACTempSensor), #1050 (HVACRelativeHumi), #1070 (Co2Sensor) and #3040 (LampActuator)