Gas detected:
VOC (toluene emitted from wood finishing and construction products)
Cigarette smoke (hydrogen, carbon monoxide)
Ammonia and H2S
Alcohol
Natural gas

Smell by people’s body.

Range: 0.1 to 30 ppm

Operating Range: 0-50ºC, 0-95%HR (non-condensing) 

Protection Class: IP30

6 LED indicator lights for Air Quality

More Details:

Tongdy F2000TSM VOC Sensor Installation Guide

Tongdy F2000TSM VOC Sensor Installation Photos