ZN MT28 12-in-1 Air Quality Detector: Monitors AQI, HCHO, TVOC, PM2.5, PM10, CO, CO2, temperature, and humidity
For parents concerned about indoor air quality, especially for children with allergies or asthma, the ZN-MT28 12-in-1 Air Quality Detector offers more than just data—it provides peace of mind. You can check real-time levels of PM2.5 and allergens from your phone, ensuring your home environment supports your family's health.
This device goes beyond basic monitoring by tracking 12 key indicators, including CO2 and TVOC, with a large screen that displays everything at a glance. The companion app lets you view historical trends, so you notice if humidity spikes before mold becomes an issue. Its WiFi calibration for TVOC and particulate matter ensures accurate readings, helping you make informed decisions about ventilation or air purifiers.
Features
- Large screen displays time, date, and multiple environmental parameters
- Smart app connectivity for real-time monitoring and historical records
- High-quality semiconductor TVOC and electrochemical sensors
- Curve recording function with WiFi calibration for TVOC and PM
- USB Type-C charging with 4-hour charge time and 5-6 hour standby
- Monitors AQI, HCHO, TVOC, PM2.5, PM10, CO, CO2, temperature, and humidity
General specs
- Brand: ZN
- Model: MT28
- Seller: Banggood
- ID: 2028607
- Model: ZN-MT28
- Sensors: Semiconductor TVOC sensor, Electrochemical detection module
- Material: ABS
- Functions: Real-time monitoring, Historical data tracking, Curve recording, WiFi calibration for TVOC and PM
- Item Size: 90mm × 70mm × 35mm, 3.54in × 2.76in × 1.38in
- Item Weight: 124g, 4.37oz
- Connectivity: WiFi, Smart APP
- Standby Time: About 300-360 minutes
- Charging Time: About 4 hours
- Charging Method: USB 500mA Type C port
- Battery Capacity: 1200mAh lithium battery
- Display Features: Large screen, Time, Date, Multiple environmental parameters
- Package Contents: 1 x 12-in-1 Air Quality Monitor, 1 x Charging Cable, 1 x Packaging Box, 1 x User Manual
- Operating Voltage: 5V
- Measured Parameters: AQI, HCHO, TVOC, PM2.5, PM10, CO, CO2, Temperature, Humidity
- First listed by seller: 2/23/26
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Banggood
| Date | Price |
|---|---|
| 2/24/26 | $28.15 |
| 2/23/26 | $28.00 |
Shipping options
United States
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| Brand | ZN | ZN | Tuya | |||
| Model | ZN-MT28 | MT32 18 in 1 Air Quality Detector | ZN MT29 | PT02 Plus, PT02 Pro | ||
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| Rating |
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| Price | $28.15 | $25.13 | $25.13 | $37.20 | $120.68 | $40.22 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | Feb 24, 2026 | Feb 24, 2026 | Feb 24, 2026 | Feb 25, 2026 | Feb 25, 2026 | Feb 25, 2026 |
| Sensors | Semiconductor TVOC sensor, Electrochemical detection module | CO2 sensor, PM2.5 sensor, Pollen sensor, TVOC sensor, Laser infrared sensor | NDIR infrared carbon dioxide sensor, laser particle sensor, semiconductor sensor, optical sensor, distance sensor | |||
| Connectivity | WiFi, Smart APP | WiFi, Tuya App | WiFi | |||
| Battery Capacity | 1200mAh lithium battery | 2000mAh rechargeable battery | 2000mAh | |||
| Measured Parameters | AQI, HCHO, TVOC, PM2.5, PM10, CO, CO2, Temperature, Humidity | Temperature, Humidity, CO, CO2, HCHO (Formaldehyde), TVOC, Benzene (C6H6), PM0.3, PM0.5, PM1.0, PM2.5, PM5.0, PM10 | PM2.5, PM10, HCHO (Formaldehyde), TVOC (Total Volatile Organic Compounds), CO (Carbon Monoxide), CO2 (Carbon Dioxide) | PM2.5, CO2, Pollen levels, TVOC, Temperature | ||
