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Govee · Govee WiFi Thermometer Hygrometer H5179 with App Notification Alert | Humidity temperature sensor, portable. Wireless remote monitor greenhouse, incubator, wine cellar with 2-yr data
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The H5179 is a sensible buy if you want to look at temperature and humidity history from your phone and occasionally check conditions while away from home. Its stated accuracy, plus or minus 0.54 degrees Fahrenheit and 3 percent relative humidity, is credible for a consumer sensor, and the listing publishes it plainly. The trade-off is that alerts are set and delivered over Bluetooth only, so the remote monitoring and the alerting do not work through the same connection. If automatic notification when a basement or nursery drifts out of range is the main reason you are buying, treat this as a local alert device, not a remote alarm.
The radio trade-off the H5179 is built around
The listing describes two ways to connect: WiFi and Bluetooth, both through the Govee Home app. WiFi lets you see current readings and history from anywhere with an internet connection. Bluetooth is the local link used for setup and for the alert function. The listing is explicit that the alert function only supports Bluetooth settings.
That sentence is the whole design decision. A WiFi connection can reach you when you are away from the building. A Bluetooth connection cannot, because Bluetooth range is short and does not pass through the internet. The H5179 gives you remote viewing over WiFi, but the alert that tells you something has gone wrong is a Bluetooth feature. If you are at work and the basement humidity climbs, the app will show it when you open it, but the listing does not promise a push notification over WiFi.
The practical consequence is that this sensor is strongest as a logger and viewer, and weaker as an alarm. Owners who want an alert while away should read the alert bullet carefully and plan around it, not assume it works wherever the WiFi reaches.
What the accuracy figures mean in a room
The listing states a Swiss-made sensor, temperature accuracy of plus or minus 0.54 degrees Fahrenheit or plus or minus 0.3 degrees Celsius, humidity accuracy of plus or minus 3 percent relative humidity, and a refresh every 2 seconds. Those are the numbers a buyer can actually use.
Temperature accuracy of half a degree Fahrenheit is fine for comfort monitoring and for spotting a room that is running cold. It is not a calibration reference. Humidity accuracy of 3 percent relative humidity is typical for a consumer sensor and is adequate for watching damp in a basement or checking a nursery. It is not tight enough to certify a drying job or to replace a calibrated hygrometer in a laboratory or a museum store.
The 2-second refresh matters for trend graphs, not for control. It means the app updates often enough that the history looks continuous rather than stepped. It does not make the sensor faster than the physical response of its housing, and the listing does not publish a response time.
Storage, export and what the listing does not publish
The listing promises 20 days of online data storage viewable in the app, and export of up to 2 years of data seen through historical trends and graphs. That is a useful split: short-term history lives online, and longer history can be exported for your own records.
Several things a buyer would reasonably want are not stated in the listing bullets. There is no operating temperature range, no operating humidity range, no IP rating, no battery type or battery life figure, and no statement of how often data uploads when connected by WiFi versus Bluetooth. The listing also does not publish the WiFi band beyond the note that 5G WiFi is not supported, which means the sensor needs a 2.4 GHz network. That is a common limitation of small connected sensors and worth checking against your router before purchase.
The package contents are listed as one gauge, one lanyard loop and one user manual. No mounting bracket, no stand and no power adapter are mentioned. The lanyard loop is the only placement aid the listing names.
Where the H5179 stops being the right instrument
This is a temperature and humidity monitor, not an air quality monitor. It does not measure carbon dioxide, particulate matter, volatile organic compounds or carbon monoxide, and the listing makes no such claim. If you are watching a renovation for dust or checking ventilation, a dedicated monitor is the right tool; our guide to air quality monitoring for renovation projects explains what those instruments add.
It is also not an alarm. The alert function is a preset range notification delivered over Bluetooth. It does not sound a siren, it does not dial out, and it does not replace a smoke or carbon monoxide alarm. For a nursery or a basement, treat it as a convenience that tells you when you are nearby, not as a safety device.
If your main interest is carbon dioxide and ventilation, the H5179 is the wrong category. Pages such as CO2 monitors with historical graphs cover instruments that measure the gas itself. The H5179 measures the thermal and moisture environment only.
Placement, maintenance and the unknowns to resolve
The lanyard loop suggests hanging the sensor, and the listing says it can be placed anywhere indoors. Placement still matters for the reading. A sensor hung next to a radiator, in direct sun, or against an exterior wall will report the conditions of that spot rather than the room. The listing does not publish a recommended mounting height or distance from sources of heat and moisture, so use ordinary practice: away from vents, windows and appliances, at roughly seated height for comfort monitoring.
Maintenance is not described in the listing. Consumer humidity sensors drift over time, and the listing publishes no calibration procedure, no replacement interval and no field adjustment. If accuracy matters to you over years, plan to compare it occasionally against a known reference or accept that the reading is indicative rather than certified.
Before buying, resolve the connectivity questions the listing leaves open. Confirm your router broadcasts a 2.4 GHz network. Confirm that Bluetooth alerting from the places you will actually be is enough for your purpose. If you need remote alerts, the H5179 as described does not provide them, and you should look at a device whose listing states WiFi notifications. For a wider view of the category, see environmental monitoring devices.
The H5179 verdict: buy it for history, not for remote alarms
The Govee H5179 is a competent temperature and humidity logger with a clear, published accuracy specification and a useful export function. It suits a homeowner or technician who wants to watch a room’s conditions over time and check them from a phone. The single trade-off is the alert function: it works over Bluetooth only, so the remote viewing and the alerting are separate jobs. Buy it if you will open the app and look. Do not buy it expecting a push notification wherever WiFi reaches. The listing does not publish battery life, operating range, IP rating or upload interval, so confirm those against the manual before relying on it in an unattended location.
Recommended Tools
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Frequently Asked Questions
Does the H5179 send alerts when I am away from home?
The listing states the alert function only supports Bluetooth settings. Bluetooth is a short-range local link, so the alert is best understood as a local notification rather than a remote one. The listing does not promise WiFi push notifications.
What accuracy does the listing publish?
Temperature to plus or minus 0.54 degrees Fahrenheit or plus or minus 0.3 degrees Celsius, and humidity to plus or minus 3 percent relative humidity. The sensor is described as Swiss made and refreshes every 2 seconds.
How much history can I keep?
The listing says 20 days of online data storage in the app, and export of up to 2 years of data through historical trends and graphs.
Will it work with my WiFi?
The listing says 5G WiFi is not supported, which means the sensor needs a 2.4 GHz network. Check your router before buying.
Does it measure carbon dioxide or air quality?
No. The listing describes temperature and humidity only. It does not measure carbon dioxide, particulate matter or gases, and it is not a substitute for a CO2 monitor or a smoke alarm.
What is in the box?
The listing names one temperature and humidity gauge, one lanyard loop and one user manual. It does not mention a mounting bracket, stand or power adapter.
Affiliate disclosure: Akermin earns a commission from qualifying Amazon purchases made through links on this page. Our editorial picks are based on documented specifications and owner feedback, not commissions.
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