Air Quality Monitor 8-in-1, PM2.5 TVOC HCHO, Alarm

8-in-1 air quality monitor delivers fast, real-time readings so you can spot particulate spikes and VOC buildup before they become a problem. Track AQI plus PM1.0/PM2.5/PM10, TVOC, formaldehyde (HCHO), temperature, and humidity on a clear 2.8" color screen with a multi-color health index. Designed for indoor/outdoor checks, it adds audible alerts and quick refresh for confident daily decisions.

• Monitors AQI, PM1.0/PM2.5/PM10, TVOC, HCHO, temperature, and humidity in one compact meter


• Refreshes every 1.5s to help you verify ventilation, filtration, cooking smoke, and renovation impacts


• Alerts with a sound alarm when HCHO reaches the set threshold (≥0.1 mg/m³)


• Displays all values, time, and battery level on a 2.8" LCD with easy-to-read backlight


• Runs on a rechargeable 2000mAh battery for up to 8 hours with auto shut-off

Use this portable air quality tester to check rooms, offices, basements, workshops, cars, and outdoor areas—then act fast with windows, purifiers, or source control based on what the sensors show. Multiple air inlets and a quick-scan interface make it simple to compare spaces and confirm improvements after cleaning, painting, new furniture, or filter changes. Keep it on hand for routine checks and quick troubleshooting when air feels stale. Grab yours today.

• Measurements: AQI, PM1.0, PM2.5, PM10, TVOC, HCHO, temperature, humidity


• Sampling/refresh rate: 1.5 seconds


• Display: 2.8 in LCD color screen; time + battery level indicators


• Temperature range: -10°C to 50°C (14°F to 122°F)


• Humidity range: 20%–85%; accuracy ±4%


• Alarm threshold: HCHO ≥0.1 mg/m³ (audible alarm)


• Battery: 2000mAh rechargeable; up to 8 hours; auto shut-off


• Size/weight: 6.46 x 2.8 x 1.73 in (164 x 71 x 44 mm); 0.47 lb (215 g)