Product review (5 stars): Does what it says. Exactly as it looks in the photos
Nothing fancy. Exactly as it looks in the photos.

You can select between C / F to display the temperature.
It has a signal meter, indoor/outdoor temp. and humidity readings plus small arrows that show the "trend" of each of the four readings.
So you can quickly check and see if for example the outdoors temperature or humidity is going up / down / level.