Features: Elevates your environmental awareness with the SCD41 Gas Sensors Module, a high precise device engineered for accurate CO2, temperature, and humidity monitoring. This sensors module stands out with its function I2C communication, integrated temperature and humidity sensors, and intelligent ventilations system adjustment base on real time CO2 levels. Suitable for enthusiasts and professional in HVAC, agriculture, and environmental monitoring, the SCD41 is a tool for anyone needing reliable air quality data. Deploys the SCD41 sensors in various setting such as intelligent homes, offices, classrooms, or greenhouses to ensure optimals air quality for health and comfort. With its easy to use digital I2C interfaces and low power operation, the SCD41 Gas Sensors Module is a cost effective solution for continuous indoor and outdoor air quality trackings. Specifications: Component:PCB Size:Approx.2.16x1.34cm/0.85x0.53inch SCD41 Gas Sensors Module Reference accuracy, specified ranges 400-5000ppm Supply voltages ranges:2.4–5.5V High accuracy: ±(40ppm+5%) Digital I2C interfaces Package Includes: 1pc SCD41 Gas Sensors Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.