Portable co2 ppm meters carbon dioxide detector co2 tvoc hcho aqi monitor meter multi gas analyzer dust partical meter is a simple and reliable measuring instrument that combines ease of use and efficiency. Our monitor allows you to track 4 key factors of air quality: TVOC, HCHO, CO2, environment, AQI . Powered by a rechargeable lithium battery, the air quality monitor makes it easy to take measurements from one room to another to get an overview of the air quality in your home, workplace, school, day care center, or any other location. An air quality monitor is also an essential tool to use when conducting property inspections or when using any household tool to see if there is any abnormal amount of toxin release. It is also recommended that you keep track of the air quality while cooking or doing cleaning your home. Tests suggest that such actions can release an excessive amount of toxins for a short period of time. Don't let poor air quality hurt your furry friends, a few tips for pet owners experiencing poor air quality. Remember that if you feel uncomfortable inside by air quality, your dog is affected much more than you are. Don't wait until you start feeling affected by bad air conditions, as this can already cause discomfort to your pet. Many older dogs or cats have unidentified respiratory problems that can be magnified during periods of poor air quality, choose cleaning products carefully, as some can release high levels of toxins that you and your pet breathe. Package Included: 1 * Air Quality Tester 1 * Charger with USB Cable 1 * User Manual