Originally Posted by starry night
OK Jim, so how is that you used the "outdoor" one sometimes and the DT-620 other times? It has been my understanding that the batteries in the "outdoor" one could not take freezing temperatures but that the DT-620 does not have that problem because of being in the transformer case where it is enough warmer.
Yes, that's right. Those are the ones I'm using.
Freezing really isn't a big concern here in Portland. Rarely happens.