From: Building an indoor air quality monitoring system based on the architecture of the Internet of Things
Operating voltage | 4–6 V |
Operating current | Mean 50Â mA |
Detection accuracy |  ± 50 ppm |
Detection range | 0–5000 ppm |
Operating temperature | 0–60 °C |
Service life | 5Â years |
Size | 57 mm × 35 mm ×  15 mm |
Operating humidity | 0–90%RH |