What is this? Looks like a ghost or something? See video link

[Aliciatusc]

Okay, looks like a ghost. Or something? I read about dust, bugs etc. looks too slow to be a light source.
https://arlo.netgear.com/hmsweb/users/library/share/link/FD5215AC1B5174DB_201905

[brh]

@Aliciatusc.

Wow, freaky. Probably some sort of bug being lit up by the IR lights.

Brian

[jguerdat]

Ha! Spider - I've had a number of these!

[TomMac]

Seen it many times...

any thing like bugs, dust,etc will reflect the IR and show up