Hikvision False Alerts

Have a 12mm bullet DS-2CD2012-I Hikvision camera watching a driveway. It is giving false alerts very often. Playback shows nothing. I have line crossing setup with it set low on the sensitivity. Using a Hikvision DS-7608NI-E2 NVR. I need a better camera that will do line crossing without so many false alerts.

Can anyone recommend a better camera that will not throw so many false alerts.

I assume since this is the lowest price camera I need to spend a little more to get reliable detection?

Prefer a 12MM outdoor bullet, can use varifocal but is not needed. Will use anything reliable.

Thanks!!!!

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