A:AnswerYes. And you can adjust the sensitivity and choose area to be detected. I was able to unselect the area where I have a tree that moves with the wind so it doesn't record every time the wind blows.
A:AnswerThe power adapters plug in at the DVR end and send power through the 60 ft. cord to the camera. So you don't need an outlet for each camera at the camera end but you do need outlets for the transformers at the DVR end.