What's in the box:

Air Quality Monitor CO2 Air Detector Carbon Dioxide Detector Temperature Humidity Sensor Real Time Reading (Black)

This product is an air quality monitor that detects Carbon dioxide (CO2), Temperature, and Humidity.

Features:
This CO2 detector can accurately and quickly test CO2 levels indoors to protect your health. Also, provides real-time monitoring of indoor temperature and humidity.
Using infrared technology, high measurement accuracy, fast response, resolution up to 1ppm, can accurately detect CO2 in the air, the measurement range up to 400-5000ppm.
This indoor air carbon dioxide meter has 4-color LED indicators as an air quality warning. Different color indicators will flash according to CO2 content, which makes air quality more intuitive.
1200mAh rechargeable battery provides 240-360 minutes of standby time and can be recharged via Type-C charging port.
2.8 inch LCD screen with backlight display, clear and soft display, thus making reading clear.
Portable size, easy to carry around. Simple operation. No need to calibrate after starting up, work and detect automatically.
It can be used at various occasions such as office, home, car, school, hotel, greenhouse vegetables, production warehouses, raw materials processing, etc.

Carbon Dioxide Instructions:
0~799ppm: green light flashes
800~1199ppm: yellow light flashes
1200~1599ppm: orange light flashes
1600~1999ppm red light flashes
Above 1999ppm, four-color lights flash

Specifications:
Item Color: Black,white (optional)
Material: ABS
Display Mode: LED digital display + LCD Screen + backlight
CO2 Detection Technology: Infrared
CO2 Measurement Range: 400-5000PPM
CO2 Detection Sensitivity: 1PPM
Temperature Measurement Range: 0-50C
Temperature Measurement Accuracy: 1C
Humidity Measurement Range: 0%-99%RH
Humidity Measurement Accuracy: 2%RH
Battery Capacity: 1200mAh Lithium battery
Charging Port: 5V Type-C Port
Product Size: 9.0 * 7.0 *3.5cm
Product Weight: 129g
Package Size: 14.0 * 12.5 * 3.7cm
Package Weight: 191g

Package List:
1 * Carbon Dioxide Detector
1 * USB Cable
1 * English User Manual