About This

• 【16-IN-1 COMPLETE AIR MONITORING】Monitor multiple indoor conditions with one device. AK22B tracks CO₂, PM1.0, PM2.5, PM10, HCHO, TVOC, temperature, humidity, AQI, and more to help you understand your environment in real time.
• 【7-Inch Full View Display】A large 7-inch screen provides a complete view of your air quality data in one glance. The clean layout makes readings easy to understand, with adjustable brightness for daytime and nighttime use.
• 【RELIABLE SENSOR & CALIBRATION】Designed for stable everyday monitoring with built-in calibration support. Easily adjust the device when needed to maintain consistent readings and better understand changes in your indoor environment.(*Note: Avoid touching the sensors or exposing them to perfumes/strong odors to maintain accuracy.)
• 【Real Time Air Quality Alerts】Stay aware of changing air conditions with real-time monitoring of CO₂, PM2.5, PM1.0, PM10, HCHO, TVOC, temperature, humidity, and AQI levels. When readings exceed set levels, the built-in buzzer provides instant reminders, while the mute function lets you silence alerts whenever needed.
• 【Easy Time & Temperature Settings】Easily adjust the time display between 12/24-hour formats and switch temperature units between °F and °C with simple button controls. The built-in temperature and humidity sensors provide reliable readings for monitoring your indoor environment.