We have one of the clock display that sets itself by radio, and shows the indoor and outdoor temps, weather forcast, hi and lo max and other stuff that I don't use. If it ourld get them, it will read up to three remote sensors. Got it at one of the big box stores quite some time ago, and it still works most of the time. As there is quite a bit of space under the hood of our class A, a a good bit of space in front of the radiator, I have the sensor mounted there where it will be protected, but still get good shaded outdoor temps with plenty of air circulation. The temps there have always seemed to be pretty accurate, especially when moving. Has worked pretty good for us, but sometimes has lost its little mind and has to be reset. We also have used one of the smaller ones with the remote inside the refrigerator or freezer. We bought an used another cheaper one when were staying where the temps were going below freezing to monitor the temp down in our wet bins with the water tanks and plumbing.
Noel and Betty Johnson (and Harry)2005 GulfStream Ultra Supreme, 1 Old grouch, 1 wonderful wife, and two silly poodles.