<p>Introducing the Gas Sensor Module - Enhance your environment with precise monitoring of CO2 levels, essential for maintaining optimal indoor air quality. Combining high accuracy with affordability</p> <p>Empower your indoor spaces with the sensor Module, ensuring long-lasting, efficient, and accurate air quality monitoring to promote health and well-being.</p> <p>Intelligent adjustment of indoor ventilation systems can be achieved based on carbon dioxide concentration, and indoor air quality helps to maintain a healthy environment under low carbon dioxide concentration for a period of time.</p> <p>Reference accuracy, specified range 400-2000 ppm</p> <p>Power supply voltage range: 2.4-5.5 V</p> <p>High precision: \u00B1 (40 ppm+5%)</p> <p>Digital I2C interface</p> <p>Integrated temperature and humidity sensors</p> <p>Low power operation to Less than 0.4 mA average value @ 5 V, 1 measure\/ 5 minutes</p> <p>Interface definition:</p> <p>1. GND: Power negative input port</p> <p>2. : Power positive input port</p> <p>3. SCL: I2C clock port</p> <p>4. SDA: I2C data port</p> <p>Board size: 13.4 x 21.6mm- Compact yet highly effective, fit effortlessly in a wide variety of setups.</p> <p>Due to different batches, there may be differences in product appearance and printed text, which not affect use</p> <p>Colour:As Shown</p> <p>Material:PCB</p> <p>Type: B: Gas sensor module blue board</p> <p>Package Contents:</p> <p>1x Gas Sensor Module Detects kit</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>