Purchased and Installed my 4 2K outdoor cameras a couple of months ago.
I live in Canada and temperatures frequently drop below -15C. The camera and battery life is holding up well so far.
A piece of useful information for those in similar climate, be aware of your laundry and furnace vents. I may need to adjust the position of 1 camera since it detects when the “steam” from my furnace blows in front.