A:AnswerThe cameras get power through the ethernet cable (POE). How long the cable can be depends upon the quality of the ethernet cable. But there is also a power connector on each camera if needed.
A:AnswerNot wireless. Camera are powered over the ethernet cables (POE). They also have an extra power plug on the camera that will not be required unless you have a long ethernet cable run and use low quality cable. Harder to install than wireless, but no camera batteries that need replacing and no interference from any nearby Wi-Fi that plagues wireless cameras.
