How many power does camera or DVR use? Andy April 25, 2019 06:18 Follow Applies to: Most of Annke DVR & NVR The date is for your reference. The real power may be a little different. Related articles DN41R-DN81R-DN61R User Manual Shutdown on Annke DVR/NVR Why is there only 1 power adapter in package but you have 2 or 4 cameras? How to stops system buzzering? Why does POE camera have power cord? Comments 0 comments Article is closed for comments.