One thing that is great about the new smart temperature control I have is that it had a digital display that will let me know when the batteries are running low on it. It gives this warning about 3 weeks before the batteries are going to die. This way, I don’t have to rush out and buy new a singles instantaneously if I do not have the time. It is a actually convenient feature of the smart temperature control, then when it is starting to get to the point of needing new batteries it dims the light a little bit on the digital display, and the smart temperature control will study out the words “low battery – change soon”. I unquestionably appreciate it. The other great thing about the smart temperature control is that the batteries are just your usual genre batteries. They take 6 double A batteries and not some special temperature control battery appreciate a wrist watch would use. That makes it even more convenient to get batteries for the smart temperature control when they are running low and I am getting that warning on the digital display. Also, the smart temperature control slips right off the wall so you don’t have to unmount it or anything appreciate that when you change the batteries, however your central heating and air conditioning system plan will just need to be turned off for a brief few minutes while you change the batteries on the smart temperature control. And that is it. After that, it is all great and everything is back up and running with no problem at all. I unquestionably am in love with our smart temperature control!