bonoch 16 in 1 Air Quality Monitor Indoor 10h-Battery & 5.5" Display 9 AQI+7 AQI Alerts, CO2 Monitor, Air Quality Tester for CO2, TVOC PM2.5 PM1.0 PM10 HCHO Temperature Humidity AQI & Time Air Meter — Open-Box, 25% Off

【Professional 16-in-1 Indoor Air Quality Monitor】 Ensure healthier indoor air with bonoch’s AirSentry 16-in-1 Air Quality Monitor, your ultimate indoor air quality monitor for home. Tracks 9 essential parameters in real-time, including CO2 (CO2 monitor), PM2.5/PM1.0/PM10, HCHO（Formaldehyde detector）, TVOC (voc monitor), Temperature, Humidity, AQI, and Time. With 7 customizable AQI alert alarms, this advanced air quality tester keeps your home’s air safe and healthy

【External High-Precision Sensors (0.001 Accuracy)】 Precision meets performance with external high-accuracy air quality sensors that sample air directly for unmatched 0.001-level precision. Our multi-sensor array and enhanced airflow design detect even the slightest changes, making it the most reliable air quality tester for home. (*Note: For best results, avoid touching sensors or exposing them to perfumes/strong odors.)

【Real-Time AQI Alerts with 7 Warning Buzzers】 Stay protected with instant pollutant alerts for CO2, PM2.5/PM1.0/PM10, HCHO, TVOC, and AQI. The 7 distinct alarm modes on this air quality monitor indoor ensure you’re always informed—plus, a handy mute button lets you silence alerts when needed

【10-hour Long-Lasting Battery】 Enjoy up to 10 hours of cordless monitoring with the built-in 2500mAh battery. Move this portable air quality monitor indoor room-to-room for whole-home air quality tracking

【Quick °F/°C Switching 】 Toggle between Fahrenheit and Celsius instantly with a double-press of the "Power" button on this air quality detector

【High-Accuracy °F/°C & Humidity Sensing】 Featuring ±1–3°F and ±2–3% RH precision, this air quality monitor delivers lab-grade accuracy for dynamic indoor environments

【5.5-Inch Crystal-Clear LED Display】 A large, ultra-readable 5.5-inch screen on this air quality tester for home provides instant air quality insights—no menu scrolling needed. Adjustable 3-level brightness ensures clarity in any lighting

【Easy Time Adjustment】 1.Switch Time Format: Click the “Time button” to toggle between 12/24-hour format. 2.Set Hours: Long press the “Time button” to enter setting mode. Use the “Alarm button” or “Brightness button” to adjust hours. 3.Set Minutes: Click the “Time button” again. Use the “Alarm button” or “Brightness button” to adjust minutes. 4.Confirm: Click the “Time button” to save settings

【Use Included Charging Cable & Adapter】 For optimal performance, always charge with the provided USB-C cable and adapter. A red indicator light confirms secure charging

【What’s Included & Customer Support】 Included in the package: 1 air quality monitor, 1 charging adapter, 1 USB-C cable, and 1 user manual.

16 in 1 Air Quality Monitor Indoor 9 AQI+7 AQI Alerts Air Quality Meter for CO2, TVOC, PM2.5, PM1.0, PM10, HCHO, Temperature, Humidity, AQI & Time, Air Detector Air Quality Tester for Home White