Formaldehyde CO2 Meter with LED Digital Display LCD Screen Chargable Portable
Features: 3 Funtions: this item is used for carbon dioxide concentration detection, and hygrometer at the same for time.
Battery supply: installed 1500mAh lithium use USB charging cable to charge it.
Color screen: show the current CO2 data, humidity and temperature data. The colored will change according to the CO2 content.
Easy to operate: for touch the "on-off" for key for 3 seconds to turn on and off. It will detect the CO2 automatically.
Compact and portable: this item is suitable for the kitchen, bedroom, living room, or take it when going out.

Specifications: Detection Technology: Infraed Detection Technology
Display Mode: LED Digital Display+LCD Screen+Backlight
Proper Temperature: 1-70c
Testing Range: 400-5000ppm
Product Specification: 68x70x40mm/2.7x2.8x1.6inches
Sensor: Sensor
Operating Voltage: 5V
Battery Capacity: 1200HMA, with Power Indicator
Product Size: 90x70x35mm/ 3.5x2.8x1.4 inches
Charging port: Type-C5V
Material: Plastic
CO2 Instructions: 0-799ppm: Green Flashing
800-1199ppm: Yellow Flashing
1200-1599ppm: Orange flashing
1600-1999ppm: Flashing
Four colors Flashed above 1999ppm.

Package Includes: 1x Monitor with Battery

note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.