New AirKnight 9-In-1 Indoor Air Quality Monitor AK100 - PROTECTS EVERY BREATH: When it comes to the health of your family, AirKnight knows that every breath counts. Our 9-in-1 air quality monitor is equipped with powerful sensors that detect the main 8 kinds of air pollution (CO2, VOCs, Formaldehyde, AQI, PM2.5 & PM10 Dust Particles, & more) in REAL-TIME, all shown on one sleek, clear screen. - SIMPLE, FAST SETUP: No complicated app, badly written instructions or Wi-Fi required for one of the most premium indoor air quality meters. - AUTO SHUTDOWN FEATURE: Featuring our cutting edge "Auto-Shutdown" feature, it shuts down automatically after 11 hours to ensure the AirKnight will live longer and perform better! - WILDFIRES & WOOD-BURNING APPLIANCES: The AK1000 is also a carbon dioxide monitor and is perfect if you are near a wildfire – or if you depend on old or wood powered appliances in your home.