Portable Air Quality Monitor Indoor CO2 Detector 5 in 1 Formaldehyde HCHO

5 in 1 Function: Multifunction air quality monitor cares for your health and can be widely used in home, office, classroom, hotel, gym, greenhouse, warehouse, etc.; LCD Color Screen: Displays CO2, CO2 index, HCHO (formaldehyde), TVOC, temperature, humidity and battery level. LCD digital color screen for easy and clear reading even in dark environments.; Carbon Dioxide Tester: Adopts semiconductor sensor, air convection detection, quickly and accurately detects CO2 concentration in the living environment.; 4-color Indicator & Alarm Buzzer: 0-799PPM (Green), 800-1199PPM (Yellow), 1200-1599PPM (O), 1600PPM and above (Red). The buzzer alarms when the CO2 concentration is above 1500PPM.; Reable Design: Built-in 1200mAh reable lithium battery for strong endurance. With type-C USB interface for quick charging via power adapter, power bank, lap, etc.

What's in the box
1 x Portable 3-in-1 Indoor Air Quality Monitor