Description:

PM2.5 fine particulate matters( 2.5 micrometers in diameter or smaller) which come from power plants/ industrial processes/ vehicle tailpipes/ wood stoves and even wildfires, it impacts your health and can cause respiratory issues such as allergies/asthma/ COPD/ lung cancer etc.

ECOWITT PM2.5 Air Quality Monitor helps you monitor the concentration of PM2.5 fine particulate matter, it also has 6 grades air quality levels indicator(based on current AQI):

Good, Moderate, Poor, Unhealthy, Severe and Hazardous, to help you know the air quality and take corresponding measures to reduce the loss.

Features:

1)Indoor temperature and humidity
2)PM 2.5/AQI current and max value for 1h/24h/since last reset.
3)6 Grades Air Quality Levels.
4)Temperature units °C/°F selectable.
5)Battery power condition indicator.
6)Rechargeable batteries and solar panel as backup power included.
Specifications:

Line of sight wireless transmission (in open air): 300feet(100meters)
Update Rate: 10 minutess
Measure range
1) Indoor temperature measure range: 14 to 140 °F(-9.9 to 60°C).
Accuracy ± 1°F/±1°C, Resolution: 0.1 °F/ °C
2) Indoor humidity measure range: 1% to 99%.
Accuracy +/- 3% RH (@25°C. , 30%RH to 80%RH).
3) PM 2.5 measure range: 0~999ug/m3
Accuracy:>100ug/m3,±15%; Note:

1.1.The sensor is sensitive to liquid droplets - rain/fog/sprinkling. When the Dew Point is close to the outdoor temperature(T - D 2.The PM2.5 sensor needs to be recharged every two week(with solar power as back up) or five days(withought solar power as back up).
Package List:

1x Air Quality Monitor (Receiver)
1x Air Quality Sensor(Wireless PM 2.5 Sensor)