Temtop P1000 Indoor Air Quality Monitor,Detector,Tester for Homeowners Renters & HVAC Pros - Measure PM2.5 PM10 CO2 Temperature Humidity- Best Protection from Indoor Air Pollution【3 Year Warranty】
CO2 measurement: range: 0-5000 ppm, resolution: 1 ppm
Large display, best for home, office or various occasions, 3000 mAh battery works for 6 hours◆We offer 3 years warranty and 60 days money back guarantee