If no phone but internet, you can have fun and play a little. I have four D-link cameras at my place to watch what is going on outside. BUT, one is a night vision camera that I have set to just watch my oil tank gage in my crawl space that is totally dark. I can read my oil level anywhere in the world with internet. You could do the same thing by getting a camera and having it just look at a thermometer. These things are cheap....i think under $60 and they are fun to have and watch at times. Just need internet.......
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