10-in-1 Air Quality Detector PM2.5 PM10 PM HCHO TVOC CO CO2 Formaldehyde Monitor
Detector ×1. Battery Capacity: 2000mAh lithium battery. Press the power button once to toggle ℉/℃. Press twice to toggle sound on/off. USB-C charging cable ×1. Four-Color Alert System: Indicates air quality through green, yellow, orange, and red displays, with audible alerts when standards are exceeded.
10in1 18in1 Air Quality Detector PM2.5 10 PM HCHO TVOC CO2 Formaldehyde Monitor
Tuya WIFI 15 in 1. Tuya WIFI 10 in 1. hope you could understand.