Outdoor 4

You’ve got the wrong camera really. The outdoor 4 is built for long battery life so it’s always asleep until something triggers the passive infrared (PIR) sensor then it wakes up. These don’t have a long range. You need a Blink Mini 2 with outdoor cable (not expensive but extra) which uses pixel mat

The battery powered cameras, like the outdoor Gen 4, can detect motion up to 20 ft away from the camera, as long as that motion is created by something the size of a vehicle. I suspect your third story is more than 20 ft off the ground, not even including the distance created by the angle it's posit

For non-blink cameras (like Reolink cameras) they use complicated computer vision to work out what a 'person' (or pet, or car) looks like. They often do it in black and white and if you've screened any privacy areas off they're excluded too to save processing power. They may also only do this on a f