A:AnswerThis really depends on how much motion you have at any given camera location. I have five cameras in my setup. Four cameras are positioned over doors and have been running on the same charge for over 5 weeks now. The fifth camera is positioned over my garage doors and sees far more action. As a result, I had to remove this camera and charge it after four weeks.
A:Answerthe motion sensor will be triggered with any movement in the camera range. You can angle the camera to exclude what you don't want.
FYI these cameras require a paid monthly subscription to use this or record video. without it you can only play live video unsaved. The paid version also offers 'activity zones' that you can setup smaller than the camera view.
A:AnswerI have found the mounts to be fairly restrictive. I have two locations over doors where I cannot tilt the camera down far enough to achieve the best coverage.