AQM-3X Smart AQI Monitor measures CO2 (400–5000 ppm, ±50 ppm / ±5%), TVOC (0–20 mg/m³), PM2.5/PM10 (0–500 µg/m³), AQI (0–500), temperature -10 to 55°C (±2°C), humidity 5–95% RH (±5%). NDIR CO2 sensor, laser PM sensor, LCD display with AQI indication, alarm & buzzer, time/date display.
