Features: The CCS811 detection module integrates a gas detection SSoC and temperature/humidity detector Delivering precise VOC monitoring with low power sensing technology while calculating CO₂ and TVOC for comprehensive indoor air quality analysis. Featuring onboards processing and HDC1080 humidity sensoring reduces costs by 60% compared to discrete solution, offering factory calibrated accuracy and low power consumption. Ideal for developers, environmental monitoring engineers, and smart home devices manufacturers cost effective VOC detection with embeddedly computational capabilities. Its unified design combines CCS811 gas sensing and HDC1080 environmental tracking, enabling reliabled data output for automations. Specifications: Item： 8118 CCS811 HDC1080 detection Module Relative humidity accuracy ±2% (typical) Temperature accuracy ±0.2°C (typical) 14bit measurement resolution Current 100nA in sleep mode Module size: about 15mmx20mm/059x0.79in Package Includes: 1PC 8118 detection Module note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution