Smart Air Quality Monitor – Know your air, Works with Alexa

Track and measure – Keep tabs on 5 key factors: particulate matter (PM 2.5), volatile organic compounds (VOCs), carbon monoxide (CO), humidity, and temperature. Stay informed – Get an indication of current air quality from the color-coded LED, and an easy-to-understand air quality score in the Alexa app anytime. Get notifications – If Alexa detects poor air quality, you can get notifications on your phone or even announcements on Echo devices.You may also like FOR 10 Pack EX17 Air Filter EX13 EX17 EX21 SP170 SP210 20A-32636-00, 277-32606-18, 277-32611-07 WM130, WM170.