DM72B Digital LCD PM2.5 PM1.0 PM10 HCHO TVOC Air Quality Detector Thermometer and Hygrometer Air Qua

Features:

4.3 color liquid crystal display (LCD), 320x240 pixels, 24 hours real time monitoring.
Measurement items: CO2, PM2.5/1.0/10, formaldehyde, TVOC, temperature, humidity, AQI.
Large 2000mAh capacity lithium battery.
On-board fan to draw in ambient air for more accurate real-time results.
5V Micro USB charging and low battery warning.

Specifications:

Material: metal+ABS
Color: black
Model: DM72B
Display method: 4.3 LCD screen display, 320x240 pixels
Measurement items: CO2, PM2.5/1.0/10, formaldehyde, TVOC, temperature, humidity, AQI
Atmospheric pressure: 86Kpa-106Kpa
PM2.5 sensor technology: laser scattering
HCHO / TVOC technology: semiconductor sensor
CO2 technology: infrared (NDIR)
Temperature and humidity technology: temperature and humidity sensor
Detection range:
AQI: 0-500
PM2.5: 0-999ug/m3
CO2: 0-5000ppm
HCHO: 0.001-1.999mg/m3
TVOC: 0.001-9.999mg/m3
Sampling time: 1.5 seconds
Detection temperature: -10a?? to 50a?? / 14a?? to 122a??
Relative humidity: 20%-85%
Storage temperature: -10a?? to 60a?? / 14a?? to 140a??
Concentration unit for HCHO and TVOC: mg/m3
Battery: 1 * lithium battery, 2000mAh (included)
Power source: 5V DC power charging via micro USB port
Item size: 145 * 97.2 * 78mm / 5.7 * 3.8 * 3.1in
Item weight: 225g / 7.9ounce
Package size: 150 * 110 * 80mm / 5.9 * 4.3 * 3.1in
Package weight: 480g / 1.1lb

Package includes:

1 * Main Unit
1 * Charging Cable
1 * User Manual

Details pictures:?