Empowered by deep learning algorithms and featuring a 2.7 to 13.5mm varifocal lens, the Hikvision PCI-B12Z2S AcuSense 2 MP Varifocal Bullet Network Camera brings human or vehicle target classification alarms to front- and back-end devices. The system can greatly reduce false alarms generated by targets other than humans or vehicles, vastly improving alarm efficiency and effectiveness.