IQAir [AirVisual Pro] Smart Indoor & Outdoor Air Quality Monitor [PM2.5, CO2, AQI, Temperature, Humidity] IFTTT App… Price: $269.00 (as of 29/10/2020 09:34 PST- Details)

Professional grade, highly accurate indoor/outdoor air quality monitoring system
Displays real-time outdoor air quality readings plus indoor temp & humidity
IFTTT (If This, Then That): Set your AirVisual Pro to act, based on certain parameters. For example, if your AirVisual Pro has a high CO2 reading, then you get an alert.

(Checkout Process Will Take You To Amazon Secure Server)