Receive an alert email/Mobile phone once a motion is detected at specific time (i.e., after midnight).
Yes using motion alerts with schedules.
![Screenshot 2023-04-03 at 13.08.59.png Screenshot 2023-04-03 at 13.08.59.png](https://community.meraki.com/t5/image/serverpage/image-id/29222i5BC15C924094D148/image-size/medium?v=v2&px=400)
Set a custom retention time (i.e., for 150 days).
https://documentation.meraki.com/MV/Initial_Configuration/Video_Retention#Setting_a_maximum_retentio....
You can set up to 90 days, note depending on the MV capacity, quality & resolution configured, as well as other settings the actual amount of footage that can be retained with vary.
![Screenshot 2023-04-03 at 13.10.01.png Screenshot 2023-04-03 at 13.10.01.png](https://community.meraki.com/t5/image/serverpage/image-id/29223i8A6D2770B9FEADE4/image-size/medium?v=v2&px=400)
As @alemabrahao mentioned, documentation.meraki.com is the best place to search for these sorts of questions.