As far as the pan/tilt units, I have 3 outside and at zero they all worked OK. I do make a special effort to be sure there is no ice buildup on them when the weather gets bad. If there is I won't move them. My Anaconda cams and infrared cams all work OK at that temp also. I have 1 LM465 in the cold and it works OK. My AM466 and UM506 doesn't like the cold. Both become unreliable at around 15 to 20 degrees.
(http://www.bdshost.com/X10/lpup.gif)---(http://www.bdshost.com/X10/lpup.gif)---(http://www.bdshost.com/X10/lpup.gif)---(http://www.bdshost.com/X10/lpup.gif)---(http://www.bdshost.com/X10/lpup.gif)----KDR