Features: The advanced sensors module accurately detects PM2.5 dust particles and CO2 concentrations with laboratory grade precisions, outperforming conventional air quality sensors in sensitivity and reliability. Equipped with standardized interfaces and high speed data processing chips, this sensors enables integration while delivering real time environmental metric without latency. Designed for industrial engineers, smart home developers, and laboratory technicians requiring professional air quality monitoring solution for critical environments. Optimized for integration into HVAC systems, air purifiers, and industrial safety equipment where continuous particulate matter and CO2 tracking is essential. Engineered with electronic components, this PM2.5 sensors module ensures operate stability across extreme temperatures and high humidity environments. Specifications: Component: Electronic components Working Voltages: 5±0.2V Working Current: ≤25mA Working Temperature: -10 to 65℃ Storage Temperature: -20 to 80℃ Measurement Ranges: PM0.3-PM10 Size: about. 3.4x1.8x4.6cm/1.34x0.71x1.81in Package Includes: 1 Set Air Quality sensors Module note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.