https://community.arlo.com/t5/Arlo-Pro-2/Arlo-Pro-2-3-Sec-Look-Back/m-p/1635432#M12274 <BLOCKQUOTE><HR /><BR /><HR /></BLOCKQUOTE> <P>it doesn't.... Just the fact that if plugged into ac . the 3 second look back feature is enabled.</P> <P>It must be ac powered as it is recording all the time, when a trigger event happens, the previous 3 secs is added to the created file</P> Mon, 17 Sep 2018 23:03:01 GMT TomMac 2018-09-17T23:03:01Z https://community.arlo.com/t5/Arlo-Pro-2/Arlo-Pro-2-3-Sec-Look-Back/m-p/1635428#M12272 <P>Capture activity 3 seconds before a triggered event so you’ll always know what happened, from start to finish. Available when plugged in and used indoors. - why does the powered camera need to be indoors? How does the 3 second feature know if the camera is inside or outside?</P> Mon, 17 Sep 2018 23:02:49 GMT https://community.arlo.com/t5/Arlo-Pro-2/Arlo-Pro-2-3-Sec-Look-Back/m-p/1635428#M12272 SC3611 2018-09-17T23:02:49Z https://community.arlo.com/t5/Arlo-Pro-2/Arlo-Pro-2-3-Sec-Look-Back/m-p/1635432#M12274 <BLOCKQUOTE><HR /><BR /><HR /></BLOCKQUOTE> <P>it doesn't.... Just the fact that if plugged into ac . the 3 second look back feature is enabled.</P> <P>It must be ac powered as it is recording all the time, when a trigger event happens, the previous 3 secs is added to the created file</P> Mon, 17 Sep 2018 23:03:01 GMT https://community.arlo.com/t5/Arlo-Pro-2/Arlo-Pro-2-3-Sec-Look-Back/m-p/1635432#M12274 TomMac 2018-09-17T23:03:01Z