A number on a screen, and what it does and does not tell you · review
Nine parameters with seven adjustable alert thresholds on a 7.2-inch screen, with published temperature and humidity tolerances.
Where this leaves you The only monitor on this shelf that explains what 16-in-1 means — nine parameters plus seven alerts — and the only one with a 7.2-inch screen, published temperature and humidity tolerances and no Wi-Fi requirement.
9 Parameters and 7 Alerts.
Nine plus seven is sixteen. Three other monitors on this shelf are sold as 16-in-1, list seven or eight parameters in their own copy, and never account for the difference.
That single phrase is the most useful thing on this shelf, because it tells you what every other 16-in-1 listing here is actually counting.
Temperature to within one to three degrees Fahrenheit. Humidity to within two to three per cent. Both published with units, both checkable.
PM2.5, which is the reason most people buy one of these, has no tolerance here at all — and the only monitor on this shelf that publishes one puts it at ±15 µg/m³.
Read on the day this page was built: $105 at the American Amazon shop.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
Prices quoted in this text were read on 2026-10-04. The live price is at the top of the page.
At $105, it is the 4 cheapest of the 7 models in this category published here.
| Measures | 9: CO2, PM2.5, PM10, PM1.0, AQI, HCHO, TVOC, temperature, humidity |
|---|---|
| Alerts | 7 user-defined thresholds, tri-color LED, audible alarm can be silenced while visual alerts continue |
| Temperature | 14 °F to 122 °F, accuracy ±1 °F to ±3 °F |
| Humidity | 0% to 99% RH, accuracy ±2% to ±3% RH |
| Sampling | Every 1.5 seconds; display refreshes every 1 to 2 seconds |
| Screen | 7.2 inches, three brightness levels, jumps to brightest on an alert |
| Connectivity | None required — no app, no Wi-Fi |
| Battery | 2,500 mAh, up to 8 hours, USB-C |
| Calibration | One-touch reset for sensor recalibration |
| PM2.5 accuracy | Not stated by the maker |
| Amazon reference | B0H1R7PBQF |
| EAN | 0734257648172 |
Nine parameters and seven alerts, published in this listing’s first bullet. Three other monitors on this shelf are sold as 16-in-1 and none of them says so; their own bullets name seven or eight parameters. This is the listing that makes the number make sense.
Nothing checkable. No unit and no parameter accompany it. What this listing does publish properly are the temperature and humidity tolerances — ±1 to ±3 °F and ±2 to ±3% RH — which are real figures with real units.
No, and the listing says so plainly: no app installation and no Wi-Fi, just power it on. One monitor on this shelf requires 2.4 GHz Wi-Fi even to show the time.
home comfort appliances from the same category, at nearby prices. Only what all of them publish is shown: a column with holes compares nothing.
| Model | Price | Alerts |
|---|---|---|
| sainlogic air | $105 | 7 user-defined thresholds, tri-color LED, audible alarm can be silenced while visual alerts continue |
| AirWhisper 9AQI+7 AQI Buzzers+Time | $80 | None — the listing states "no alert or alarm functions"; the beep is key-press feedback only |
| AQItech AK16D | $140 | Audio prompt, switched off by a double tap |
| MORPTRA 9AQI+7 AQI Alert Buzzers | $140 | Audio prompt, switched off by a double tap |
A living room or nursery where the readings must be visible across the room and alerts must be set by you
Details checked on October 4, 2026.
Amazon reports what buyers took in the month before this page was last checked: at least 50.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet for home climate appliances and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
16-in-1, measures PM1.0 PM2.5 PM10 CO2 TVOC HCHO temperature humidity, 3 s refresh, no alarms, 12-month warranty
Measures PM1.0, PM2.5, PM10, CO2, TVOC, HCHO, temperature and humidity every three seconds, with no alarm functions.
Best for: Reading the air in a nursery or bedroom overnight, with lights dimmed and no alarm to wake anyone
≈ $80
16-in-1, measures PM1.0 PM2.5 PM10 CO2 TVOC HCHO temperature humidity, 1.5 s sampling, 4–5 h battery, 12-month support
Measures PM1.0, PM2.5, PM10, CO2, TVOC, HCHO, temperature and humidity, sampling every 1.5 seconds.
Best for: Someone who wants CO2 and particulates on one screen and will keep it plugged in
≈ $140
3 parameters, PM2.5 ±15 µg/m³, temp ±0.54 °F, humidity ±3% RH, 2 s refresh, wired, 13-day graphs, 2-year export
Measures PM2.5, temperature and humidity with published tolerances, mains powered, with two years of exportable data.
Best for: A room where a Govee purifier or humidifier should switch itself on, with the history kept
≈ $40
