What is causing this on both of my cameras at night? Is it bugs/nats? How can i stop it? See video.

[Nanlee]

What is causing this on both of my cameras at night? Is it bugs/nats How can i stop it??

[dcfox1]

The lights attract bugs sometimes in swarms. Did it rain I have seen that on mine sometimes in the rain. You can also see a spider web strand swaying in the left that may have set it off also. I would at least clean that off. 

[Nanlee]

no rain, is there a way to stop bugs from the lens?  led lights are off

[TomMac]

Not rain but fog/mist...see it every now then

https://my.arlo.com/hmsweb/users/library/share/link/8476C34A369E01C6_202009