3.High with Stability: The air quality meter is designed for accuracy and stability, featuring strong anti-interference capabilities to deliver dependable results every time. 1.Adopts TVOC Sensor: This air quality monitor employs a high-quality semiconductor TVOC sensor for rapid detection, ensuring accurate readings and quick response times. 2.Premium Air Quality Tester: Utilizing an advanced electrochemical detection module, this device offers reliable performance, making it a top-tier choice in air quality testing. 4.Eco-Friendly and Long-Lasting: Low power consumption and extended lifespan make this CO2 tester both an environmentally friendly and long-lasting solution for air quality monitoring. 5.Multifunctional Detection with Large Display: The HCHO detector features a large screen displaying six measurement metrics, battery status, and overall air quality level for comprehensive monitoring., Manufacturer: Akfldms