Govee WiFi Thermometer Hygrometer H5179 with App Notification Alert 2 Pack

Why it's worth it

A pair of WiFi sensors that push readings to your phone from anywhere, with a Swiss-made Sensirion sensor rated to ±3% RH. You get a small local screen on each unit, threshold alerts by app and email, and Alexa or Google Home voice queries.

WiFi is what separates a hygrometer from a data curiosity. Bluetooth sensors log faithfully, but you only learn what happened once you walk back into range. The H5179 uploads to Govee's cloud, so a humidity spike in the crawlspace reaches your phone while you're at the office. Owners describe exactly that pattern: attic moisture problems, crawlspace dehumidifiers, campers left with a pet inside. That's the whole point of monitoring something you can't see.

The sensor inside is the same class Govee uses across its better units — a Swiss-made Sensirion part rated to ±0.54°F and ±3% RH, refreshing every two seconds. That accuracy is fine for the decisions most people make with a hygrometer. Is the basement over 60%? Is the nursery drying out? You don't need lab precision to answer those, and you do need a sensor that holds its calibration for more than a year.

From our review of 6 hygrometers and humidity monitors, by David Sinclair, Managing Editor

What we like

• +WiFi is what separates a hygrometer from a data curiosity
• +The sensor inside is the same class Govee uses across its better units — a Swiss-made Sensirion part rated to ±0.54°F and ±3%…
• +It comes as a two-pack, which changes how you use it
• +Each unit has its own small LCD, so you can read the room without pulling out your phone

What to know

• –It only joins 2.4 GHz networks, which is a real nuisance in a dual-band house where your phone auto-connects to 5 GHz
• –Owner feedback on Govee's WiFi line includes a recurring thread about firmware and cloud reliability, and a smaller group who…