Tilswall 10 in 1 Professional Air Quality Monitor Indoor

【10 in1 Functionality】Is an advanced air quality monitor indoor equipped with a variety of high-quality sensors and integrated fan, enabling real-time monitoring of a range of pollutants, such as CO2, HCHO, TVOC, PM2.5, PM1.0, PM10, AQI indication, temperature, humidity and time on its digital LCD display. 【High Precision Sensors】Equipped with a high-precision sensor and advanced dual-chip data processing technology, alongside a high-sensitivity probe, make the measurements more accurate and reliable with minimal deviation. The air quality tester for home refreshes data in real-time, ensuring continuous monitoring of current air quality and protect you and your family's health! 【CO2 Alarm Function】The CO2 alarm beeps immediately when it detects a CO2 concentration above 1000 ppm (outside the expected range). The purpose of the CO2 alarm is to alert you immediately so that you can take immediate action to improve CO2 concentration, such as opening a window or door, or stopping the acti