NuWaves CaDi is a Non-dispersive infrared (NDIR) based Carbon Dioxide (CO2) monitor designed for detection of CO2 concentration levels in domestic dwellings, offices and other indoor environments for the purposes of effectively managing ventilation for occupants comfort and health.The monitor features a CO2 sensor that is long term stable and maintenance free with a measurement range from 0 - 5000ppm.This App features:• remote monitoring• quick and easy setup• Export sensor data for detailed offline analysis• View detailed graphs to analyse CO2 levels by day, week and monthYou can purchase a CaDi sensor from the NuWave Sensors website:https://nuwavesensors.com/product/cadi-ci-100/