Coiliiot Air Quality Monitor Indoor – CO2 Detector, VOC Meter and AQI Tester Tracks TVOC, HCHO, PM2.5 & PM10 with Temperature & Humidity Sensor for Home Office (White) — Open-Box, 30% Off

【Professional Air Quality Monitoring】Continuously tracks CO2, TVOC, HCHO, PM2.5, PM10, temperature, humidity, and AQI in real time. A reliable CO2 monitor, VOC meter, and air quality tester for homes, offices, or allergy-sensitive users.

【Real Particle & AQI monitor indoor】Uses a laser sensor to measure real PM2.5/PM10 and calculate true AQI. In the U.S. standard, AQI below 50 is clean air, so readings may differ slightly from an air purifier’s “clean” display.

【CO2 monitor for home】Equipped with an NDIR CO2 sensor for stable, reliable measurements. It tracks real carbon-dioxide levels to help you understand ventilation quality and maintain a healthier indoor environment.

【Advanced VOC detector】Features a dedicated VOC sensor that detects TVOC and formaldehyde from furniture, cleaners, and daily activities, helping you identify chemical pollutants and improve overall indoor air quality.

【Convenient Power & Smart Features】Runs up to 8 hours per charge and supports USB charging. Includes auto calibration, °C/°F switching, and easy one-button operation for everyday air quality monitoring.

【Clear Display & Indicators】Features a bright LCD screen with bold visuals and real-time AQI and CO2 meter indicators, making it easy to understand air quality level at a glance and keep your indoor environment safe.

【Versatile for Every Space】Ideal for bedrooms, classrooms, and offices, this air quality meter with CO2 detector and VOC monitor helps reveal poor ventilation and humidity levels that can lead to mold, ensuring cleaner, safer air indoors.

Our indoor air quality monitor is designed to provide accurate and reliable measurement of PM2.5, PM10, AQI, CO2, TVOC, HCHO, temperature, and humidity in real time. Unlike software-based solutions, this air quality tester uses advanced hardware with a built-in laser particle sensor, NDIR CO2 sensor, and semiconductor gas sensor, ensuring stable performance and dependable results. The air quality sensor features a clear LCD display that shows key indicators, making it easy to check your home air quality at a glance. Perfect for multiple applications, this CO2 monitor can be used in bedrooms, living rooms, offices, classrooms, or any indoor space where healthy breathing air matters. Compact and practical, this air quality testing device supports USB charging, automatic calibration, and temperature unit switching. Whether you are looking for an air quality test kit, an air quality detector, or a home CO2 monitor, this all-in-one solution is built to meet your needs.