AMTAST 9 in 1 Air Quality Detector Smart Air Quality Monitor AQI, PM2.5, PM1.0, PM10, Formaldehyde (HCHO), TVOC…

1. Detection method for PM: Laser Light Scattering; Range: 0~999mg/m3, Resolution: 1ug/m3

2. HCHO technology: Electrochemistry sensor; Range: 0.000~1.999mg/m3, Resolution: 0.001mg/m3

3. TVOC technology: Electrochemistry sensor; Range: 0~9.999mg/m3, Resolution: 0.001mg/m3

4. Sampling time: 1.5 seconds

5. Detection temperature: 0°C to 50°C; 32°Fto 122°F, Accuracy: ±1°C

6. Relative humidity: 20% – 85%; Accuracy: ±4%

7. Storage temperature: -10°C to 60°C; 14°Fto 140°F

8. Power source: Lithium battery with 3000mAh capacity; 5V DC power charging by means of micro USB port

9. Product Size: 5.16 x 3.07 x 2.66 inches (131 x 78 x 67.5mm)

10. Product weight: 19.75 ounces (560g)

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4.3″ color liquid crystal display (LCD), 320×240 pixels.
Multi functions: AQI, PM2.5, PM1.0, PM10, Formaldehyde (HCHO), TVOC, Temperature, Humidity, Time/Date/Alarm.
Simple operation: 1) Long press ON/OFF to activate or turn off; quickly double press ON/OFF to set. 2) Press UP Button to switch the display interface 1, 2, 3.
Monitoring if the air quality reaches to harmful levels in your house, bedroom, living room, within the car, hotel or in any indoor environment where you’re present.
Testing temperature, humidity level, and a couple of measures of air quality, mean you can know when to switch your house’s air filter.