Office School HCHO TVOC Meter AQI Detector Air Quality Index Indicator

Features: 

Improve life quality, provent life from being polluted. 
Independent sensor for detecting HCHO, TVOC, and AQI.
Compensate the calibration while reducing interference, ensuring the accuracy of each data.
3D convection vents for real-time circulating convection of air and more accurate detection.
2.8inch large display screen,  clear data
Rating evaluation for a more intuitive analysis of air quality index.
Rechargeable battery with USB
Handheld type, small in size, light in weight. 
Ideal instrument for shop mall, school, office, meeting room. 

Specification:
Color: White
Size: About 15x6.8cm
Screen: About 2.8inch
Voltage: 2.5-3.2V
Display mode: LED digital display
Test items: Formaldehyde and TVOC (including benzene)
Detection principle: Semiconductor sensor
Detection range: 0.000-2.888mg/m³ (formaldehyde); 0.000-9.999mg/m³ (TVOC)
Powered by: 1200mAh Rechargeable battery(Built-in)

Package included:
1pc x Air Quality Detector
1pc x USB Cable