Very good product - ideal with an air conditioner

The temperature and humidity are displayed for the room where the main unit, and where is the sensor. I connected to two different sensors in this case you must manually select the sensor you want to view.

The central button is used to illuminate the night display.

I checked the precision with another thermometer, it is very good.

With a small alarm it would have made a very useful alarm clock, rather than aligning multiple devices on the bedside table. One can dream.

Product delivered quickly and very well packaged.