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Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

LCD display, 480*270 pixels, simple and elegant, with high test accurancy, stable performance, with clear and easy to understand digital display, let you know the current air quality at a glance. Suitable for indoor and outdoor air quality, muti-envornmental air quality monitoring for furniture, decorations, cars, and so on.

Test variables PM2.5, PM1.0, PM10, HCHO, TVOC, Carbon dioxide(CO2), temperature, humidity, you can get the results you care about. low battery warning, time setting, history record.

Buzzer use up/down buttons to select whether to turn the alarm buzzer on/off. change the temperature unit between Celcius(℃) or Fahrenheit(℉）.

Alarm threshold default factory value alarm threshold levels for HCHO 0.1mg/m³. When reach 0.1mg/m³, Device alarm sounds. HCHO ideal range less than 0.10mg/m³.

Small and portable but with big wisdom, compact, lightweight and cost-effective portable PM2.5 detector to escort your healthy environment.Built-in lithium battery and usb rechargeable, charge and use, lasting battery life, not afraid of power failure. On-board fan to draw in ambient air for more accurate real-time results.