What's in the box:

4.3 Inch Digital LCD Display Multifunctional Professional CO2 Detector Thermometer and Hygrometer Air Quality Analyzer Monitor (Standard)

This product is a multifunctional air quality detector that detects CO2 (carbon dioxide), temperature, and humidity with clock and record function. As a scientific air quality detection device, it combines infrared (NDIR) sensor with a built-in fan to allow real-time monitoring of CO2 (carbon dioxide), temperature, and humidity on its digital LCD display.

Features:
4.3" color liquid crystal display (LCD), 320x240 pixels, 24 hours real time monitoring.
Measurement items: CO2, temperature, humidity.
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: DM72C
Display method: 4.3" LCD screen display, 320x240 pixels
Measurement items: CO2, temperature, humidity
Atmospheric pressure: 86Kpa-106Kpa
CO2 technology: infrared (NDIR)
Temperature and humidity technology: temperature and humidity sensor
Detection range:
CO2: 0-5000ppm
Sampling time: 1.5 seconds
Detection temperature: -10? to 50? / 14? to 122?
Relative humidity: 20%-85%
Storage temperature: -10? to 60? / 14? to 140?
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

Packing List:
1 * Main Unit
1 * Charging Cable
1 * User Manual