erpyr SMART® IAQ-monitor S

There were nuances, we decided this issue with the seller. Albeit slowly enough.

The seller of all the goods, and the store prosperity!
Happy new year!)

Works fine. Unambiguously realized that there is little oxygen in the room with the windows closed... Better calibrate outside. There is no way to compare what to understand or not.

surprisingly clear and bright but has to be wired. the battery itself won't last very long but overall good value for money despite the battery life.

In general, everything is fine, it has become easier to control the air quality in the children's room, control humidifiers and air purifier, and regulate the flow of fresh air. The child began to sleep better.
But there are Newans: with on, the WiFi battery lasts for 2 days. With WiFi off for 3-4 days, battery is weak inside-I will put a more capacious one. The device is calculated on a persistent lining to the network and the battery as a reserve, I would have known not to buy a Anchor one earlier, analogs on the battery keep the charge for 2-3 weeks. Humidity indicators coincide with other devices in kV if you put next to the humidifier, if you attribute the value to the smaller side, which, in principle, is logical, I quickly bought the reaction to the change at a discount for Black Friday 3 600 but honestly I will try other more autonomous ones. With the app connected without problems but only at 2.4Hz. Through the application you can view the information remotely if necessary. Smart Life app.

The sensor is just super. Of course, if the readings are not immediately updated, only after a few seconds the value will begin to grow. But he does his tasks well