Repair guides and support for cameras by Blink. Video Home Security Camera with Batteries that Last Up to Two Years.
Models: Blink, Blink XT2, Blink Indoor, Blink Outdoor, Blink Mini
I've got 3 now that have fogged up, the best you can do is to take the lens out and bake it in the oven at about 130C for an hour, it improves it but its never as good as new. I'v still not found where to get spare lens from yet :-(