A4 Home-use High Accuracy LED Digital Display USB Mini Portable PM2.5 CO2 Detector Multifunctional Laser Air Tester

We all know that air is an indispensable part of our lives. The quality of air is affecting our body and mind, but the air is colorless and tasteless, we can't measure it with the eyes. At this time, we need an air tester to monitor the air quality.

Features:
Mini and portable, easy to use and carry, can be placed anywhere needed.
Large screen display makes it easier to read data.
Built-in high accuracy sensors for more accurate and stable detection of PM2.5 in the air.
The different colors of the panel indicators represent different air quality levels and it is perfect for daily air quality monitoring.
The USB design is easy to use and can extend the service time.
Suitable for many occasions, such as offices, homes, gardens, vehicles, etc.
Easy and convenient to operate and read the data.

Specifications:
A4: Detect PM2.5, PM1.0, PM20, CO₂, number of particles, temperature and humidity
Screen size: 2.8in
Material: plastics+metal
PM 2.5 measurement range: 0-2048ug/m3
PM 2.5 accuracy display: 1ug/m3
PM 1.0 measurement range: 0-2048ug/m3
PM 1.0 accuracy display: 1ug/m3
Temperature measurement range: 0-50℃
Temperature measurement accuracy: ±2℃
Humidity measurement range: 20-90%RH
Humidity measurement accuracy: ±5%RH
Item size: 85 * 65 * 43mm / 3.3 * 2.6 * 1.7in
Item weight: 117g / 4.1ounce
Package size: 180 * 120 * 100mm / 7.1 * 4.7 * 3.9in
Package weight: 210g / 7.4ounce

Packing List:
1 * PM2.5 Detector
1 * USB Cable
1 * User Manual