Model Number: Air quality monitor E1 Brand Name: Hanwi Key Specifications/Special Features: -Electrochemical sensor for formaldehyde, alcohol, and carbon monoxide-Directly plug into smartphone-APP for smartphone and real time monitoring-Data uploads and shares with friends-Mascot appearanceWorking temperature: 10°C--40°CDimension: 43mmx52mmx37mmWeight: 50gFormaldehyde (HCHO)Range: 0-2mg/m
Accuracy: ±5% full scale
Low alarm: 0.08mg/m
High alarm: 0.30mg/m
Sampling: natural diffusion

Alcohol (C2H5OH)
Range: 0-2mg/L, 0-4g/L, 0-0.4% BAC, 0-4‰ BAC
Accuracy: ±0.006% BAC at 0.05% BAC
Alarming threshold can be adjusted

Carbon monoxide (CO)
Range: 0-1000PPM
Resolution: 1PPM
Low alarm: 35PPM
High alarm: 100PPM