KF-906B 4in1 Mini Protable CO2 Air Quality Detector Formaldehyde HCHO TVOC Detector Monitoring Equipment Tester

Description This kind of civil multi functional intelligent household small air quality monitoring equipment can provide numerical reference for the change of air environment at home It allows you to track 4 main air quality factors TVOC HCHO CO2 AQI Features Powered by lithium battery the air quality monitor makes it easy to take measurements from one room to another in order to get an overview of the air quality in a home workplace school a daycare centre and so on It allows you to track 4 main air quality factors HCHO TVOC CO2 AQI meet the basic needs of users Intelligent detection of various types of gases Most common gases can be detected no need to worry about the applicability The measurement is displayed on a clear digital display screen small and light design for easy carrying Natural air flows detection technology is adopted to determine air quality problems more accurately Built in battery energy saving and environmental protections long standby times Widely be used in home office enterprise government school and car etc Detect and monitor air problems at any times to ensure the fitness of family members or employees Specifications Material plasticsColor blackDisplay mode LED digital display light indicationError floating 3 30 Working voltage 5VBoot preheating 120 secondsBattery 3 7V 1000mAhCharging time about 4 hoursStandby times about 240 360 minutesItem size 68 x 70 x 40mm 2 7 x 2 8 x 1 6inItem weight 90g 3 2ouncePa