Arlo|Smart Home Security|Wireless HD Security Cameras

"White Dot" on motion sensor???

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splatmatt
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Aspirant
What is the dot on the motion sensor? I wiped it off thinking it was just a blemish but then noticed my other cameras have it as well.
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steve_t
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Master

Pretty sure it's just a painted dot

splatmatt
Aspirant
Aspirant
Ok why is it there?
steve_t
Master Master
Master

Dunno. Mark the centre of the PIR sensor?