Frigid night. I swapped some cards. One camera batteries dead. One lock so frozen I couldn't open it. Other camera card I want to see when I get in the house. It looked promising for a couple 3yr olds. My fingers and feet were cold. Had gloves on except when attempting to change cards. Those few minutes without gloves were terrible. I rarely wear gloves to work so it isn't sissy fingers. Just plain frigid. Keep your skin covered as much as possible. I am hanging with Hank in the shop now so I can check his paws and ears.