Ultrasonic Bird / Pest Control Experiences?

Has anyone used any of the ultrasonic pest control devices available? We've made significant investment in our security systems recently, but we're having issues w/ nuisance alarms being caused by wildlife.

Our video analytics aren't smart enough to discern wildlife from humans any some of our lower tier locations, and our perimeter intrusion systems keep going off when several birds land on our fences at the same time, and in the same area. We've made adjustments over time, but now I believe we're at a point where any further adjustments run the risk of the systems not detecting legitimate intrusions.

I found this product online:

I've never used anything like this, so any insight you folks could give me would be very helpful. Thanks

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