The Daikin One DSEN-HAQA Home Air Monitor helps Monitor the Air Quality within the Whole Home. Working with the Daikin One Ecosystem, it Detects, Visualizes, and Supports Action to Help you Improve the Indoor Air Quality within your Space. The Daikin One Home Air Monitor is a Whole House Indoor Air Quality Monitoring Device Designed to be used in Conjunction with the Daikin One+ Smart Thermostat. It Measures the Physical Properties and Composition of the Air Stream using Particulate and Gas Phase Sensors Including an Optical Particle Counter, Temperature, Humidity, Pressure and VOC Sensors.This Device Contains a Certified Third Party Wireless Module for WiFi and Bluetooth Communications to Transmit Data to an Access Point such as a Consumer Router