https://community.arlo.com/t5/Arlo-Pro-3/Arlo-pro-3-motion-sensor/m-p/1872566#M12222 With the problem camera, where are you adjusting the motion sensitivity?<BR /><BR />The camera settings page has a motion detection utility you can use to test the sensor. It’s default value is always 80% until you adjust it.<BR /><BR />Once you have determined the ideal value for your requirements you can then set that value in the camera rule for the armed mode to trigger motion detection.<BR /><BR />Additionally the motion sensor is a infrared detector which do not work very well through glass windows. Tue, 02 Aug 2022 00:33:52 GMT Dannybear 2022-08-02T00:33:52Z https://community.arlo.com/t5/Arlo-Pro-3/Arlo-pro-3-motion-sensor/m-p/1872561#M12221 <P>Do the motion sensors on an Arlo pro 3 go bad. &nbsp;When I am within 5 ft the sensor works - &nbsp;once you move further back they no longer work —- &nbsp;i have a second one that has the same issue intermittently. &nbsp; Each unit is on a separate hub and I have other pro 3 that are working off of the same hub. &nbsp; Activity zones are wide open and both have sensitivity at 100%</P> Tue, 02 Aug 2022 00:00:35 GMT https://community.arlo.com/t5/Arlo-Pro-3/Arlo-pro-3-motion-sensor/m-p/1872561#M12221 Ffy 2022-08-02T00:00:35Z https://community.arlo.com/t5/Arlo-Pro-3/Arlo-pro-3-motion-sensor/m-p/1872566#M12222 With the problem camera, where are you adjusting the motion sensitivity?<BR /><BR />The camera settings page has a motion detection utility you can use to test the sensor. It’s default value is always 80% until you adjust it.<BR /><BR />Once you have determined the ideal value for your requirements you can then set that value in the camera rule for the armed mode to trigger motion detection.<BR /><BR />Additionally the motion sensor is a infrared detector which do not work very well through glass windows. Tue, 02 Aug 2022 00:33:52 GMT https://community.arlo.com/t5/Arlo-Pro-3/Arlo-pro-3-motion-sensor/m-p/1872566#M12222 Dannybear 2022-08-02T00:33:52Z