Product review (4 stars): Nice little unit
My house gets really dry in the winter, so I depend on humidity monitors to let me know how much to run my humidifiers.  This little AcuRite monitor has been working great all winter.  The humidity and temperature are always within a couple points of my other thermometers/humidity monitors.

It does have a couple drawbacks, none related to its performance.  First of all, the little stand that comes with it is only useful if you can position it in a spot where it will never, ever get bumped or jostled.  The monitor doesnt fasten onto the stand, just balances there, so it falls off easily.  Im using it in my home office and it took only a couple days before I decided I was going to have to stick it to the filing cabinet instead of standing it on my desk (handily, it has a nice strong little magnet on the back).

Secondly, its a little hard to read from a distance.  Granted, my eyes are aging (right along with the rest of me, sigh), but the contrast on this unit is not nearly as good as the listing makes it appear.  It looks like a crisp black on white, but its actually more of a digital gray-on-gray.  Additionally, all but the humidity are pretty small.  Its not a big aggravation because humidity is mostly what I want to read, but its a little irritating.  The screen is also pretty small; the listing says its about 3 x 2-1/2 inches, but as you can see from the picture in the listing, only part of that is actually the screen.

It has an alarm that will alert you to very high or low humidity levels, but I haven't used it since Im sitting right there and can just look at the monitor.  Im actually not sure how handy it would be; it seems to me that if you had a room where the humidity level was that critical (a walk-in humidor, perhaps?) youd have a higher-end monitor than this keeping an eye on it.  Still, its a clever addition if you have a use for it.