
I took this to monitor the air quality in my main room. However, this battery-powered meter is not very good. The battery will be dead in 6 hours or less. It only charges via Micro-USB, which is a little daunting since everything uses USB-C these days. Also, due to the location of the charging port, there's no way to charge it while it's on the "stand." It is therefore best to set up the device somewhere or leave it lying on the table so that it is always connected to the network. In general it works. Fine as long as it's connected, but only as long as it's connected.

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